<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="P1_11" accession="SRS15143829">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143829</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892070</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>507</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_14" accession="SRS15143830">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143830</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892071</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>512</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_45" accession="SRS15143831">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143831</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892081</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>529</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_284" accession="SRS15143832">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143832</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892170</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>610</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_287" accession="SRS15143833">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143833</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892171</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>582</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_288" accession="SRS15143834">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143834</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892172</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>504</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_290" accession="SRS15143835">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143835</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892173</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
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      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>612</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_99" accession="SRS15143836">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143836</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892174</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
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      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>551</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P3_107" accession="SRS15143837">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143837</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892175</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>527</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P3_148" accession="SRS15143838">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143838</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892176</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>575</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P3_158" accession="SRS15143839">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143839</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892177</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>580</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P3_161" accession="SRS15143840">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143840</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892178</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>504</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P3_166" accession="SRS15143841">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143841</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892179</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>597</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_48" accession="SRS15143842">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143842</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892082</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>535</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P3_167" accession="SRS15143843">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143843</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892180</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>571</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P3_185" accession="SRS15143844">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143844</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892181</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>551</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_142" accession="SRS15143845">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143845</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892182</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>564</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_143" accession="SRS15143846">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143846</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892183</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>577</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_145" accession="SRS15143847">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143847</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892185</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>550</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_144" accession="SRS15143848">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143848</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892184</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>578</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_146" accession="SRS15143849">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143849</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892186</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>558</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_149" accession="SRS15143850">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143850</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892187</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>583</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_153" accession="SRS15143851">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143851</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892188</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>549</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_157" accession="SRS15143852">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143852</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892189</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>587</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_4" accession="SRS15143853">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143853</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892080</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>507</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_165" accession="SRS15143854">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143854</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892190</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>544</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_172" accession="SRS15143855">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143855</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892191</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>554</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_191" accession="SRS15143856">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143856</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892192</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>608</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_198" accession="SRS15143857">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143857</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892193</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>586</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_201" accession="SRS15143858">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143858</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892194</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>610</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_203" accession="SRS15143859">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143859</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892195</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>583</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_226" accession="SRS15143860">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143860</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892196</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>573</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_126" accession="SRS15143861">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143861</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892132</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>520</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_128" accession="SRS15143862">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143862</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892133</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>557</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_129" accession="SRS15143863">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143863</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892134</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>571</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_130" accession="SRS15143864">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143864</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892135</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>531</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_133" accession="SRS15143865">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143865</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892137</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>551</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_132" accession="SRS15143866">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143866</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892136</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>572</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_134" accession="SRS15143867">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143867</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892138</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>554</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_135" accession="SRS15143868">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143868</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892139</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>573</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_136" accession="SRS15143869">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143869</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892140</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>556</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_31" accession="SRS15143870">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143870</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892077</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>508</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_137" accession="SRS15143871">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143871</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892141</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>574</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_187" accession="SRS15143872">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143872</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892142</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>577</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_188" accession="SRS15143873">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143873</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892143</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>607</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_189" accession="SRS15143874">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143874</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892144</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>578</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_190" accession="SRS15143875">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143875</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892145</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>603</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_193" accession="SRS15143876">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143876</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892146</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>589</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_194" accession="SRS15143877">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143877</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892147</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>549</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_195" accession="SRS15143878">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143878</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892148</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>550</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_197" accession="SRS15143879">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143879</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892149</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>575</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_199" accession="SRS15143880">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143880</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892150</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>587</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_33" accession="SRS15143881">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143881</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892078</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>520</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_1" accession="SRS15143882">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143882</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892117</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>502</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_202" accession="SRS15143883">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143883</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892151</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>585</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_207" accession="SRS15143884">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143884</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892152</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>582</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_208" accession="SRS15143885">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143885</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892153</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>504</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_210" accession="SRS15143886">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143886</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892155</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>593</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_209" accession="SRS15143887">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143887</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892154</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>592</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_212" accession="SRS15143888">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143888</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892156</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>613</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_229" accession="SRS15143889">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143889</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892197</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>576</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_230" accession="SRS15143890">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143890</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892198</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>604</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_233" accession="SRS15143891">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143891</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892199</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>607</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_50" accession="SRS15143892">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143892</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892084</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>541</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_234" accession="SRS15143893">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143893</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892200</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>577</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_237" accession="SRS15143894">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143894</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892201</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>603</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_238" accession="SRS15143895">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143895</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892202</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>609</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_240" accession="SRS15143896">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143896</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892203</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>558</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_242" accession="SRS15143897">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143897</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892204</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>586</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_243" accession="SRS15143898">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143898</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892205</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>587</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_244" accession="SRS15143899">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143899</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892206</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>564</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_246" accession="SRS15143900">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143900</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892207</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>575</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_248" accession="SRS15143901">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143901</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892208</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>588</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_249" accession="SRS15143902">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143902</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892209</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>610</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_54" accession="SRS15143903">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143903</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892085</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>517</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_250" accession="SRS15143904">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143904</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892210</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>580</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_253" accession="SRS15143905">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143905</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892211</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>504</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_254" accession="SRS15143906">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143906</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892212</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>592</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_257" accession="SRS15143907">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143907</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892213</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>614</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_260" accession="SRS15143908">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143908</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892214</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>593</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_261" accession="SRS15143909">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143909</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892215</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>598</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_265" accession="SRS15143910">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143910</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892217</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>601</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_268" accession="SRS15143911">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143911</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892218</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>573</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_292" accession="SRS15143912">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143912</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892219</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>615</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_296" accession="SRS15143913">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143913</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892220</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>593</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_55" accession="SRS15143914">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143914</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892086</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>545</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P4_313" accession="SRS15143915">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143915</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892221</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>614</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P5_12" accession="SRS15143916">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143916</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892222</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>502</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P5_169" accession="SRS15143917">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143917</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892223</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>572</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P5_180" accession="SRS15143918">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143918</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892225</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>590</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P5_174" accession="SRS15143919">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143919</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892224</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>574</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P5_183" accession="SRS15143920">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143920</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892226</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>599</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P5_278" accession="SRS15143921">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143921</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892227</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>585</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P5_295" accession="SRS15143922">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143922</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892228</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>598</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_57" accession="SRS15143923">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143923</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892087</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>538</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_5" accession="SRS15143924">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143924</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892083</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>503</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_63" accession="SRS15143925">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143925</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892089</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>520</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_64" accession="SRS15143926">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143926</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892090</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>544</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_15" accession="SRS15143927">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143927</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892072</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>525</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_66" accession="SRS15143928">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143928</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892091</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>531</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_68" accession="SRS15143929">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143929</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892092</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>525</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_69" accession="SRS15143930">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143930</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892093</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>512</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_6" accession="SRS15143931">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143931</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892088</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>509</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_71" accession="SRS15143932">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143932</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892095</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>523</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_73" accession="SRS15143933">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143933</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892096</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>524</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_74" accession="SRS15143934">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143934</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892097</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>527</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_75" accession="SRS15143935">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143935</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892098</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>503</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_77" accession="SRS15143936">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143936</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892100</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>535</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_17" accession="SRS15143937">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143937</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892073</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>527</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_76" accession="SRS15143938">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143938</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892099</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>518</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_78" accession="SRS15143939">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143939</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892101</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>539</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_7" accession="SRS15143940">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143940</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892094</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>517</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_81" accession="SRS15143941">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143941</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892103</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>515</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_82" accession="SRS15143942">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143942</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892104</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>529</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_83" accession="SRS15143943">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143943</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892105</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>536</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_84" accession="SRS15143944">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143944</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892106</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>541</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_87" accession="SRS15143945">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143945</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892107</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>528</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_88" accession="SRS15143946">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143946</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892108</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>538</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_8" accession="SRS15143947">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143947</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892102</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>501</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_89" accession="SRS15143948">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143948</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892109</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>516</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_24" accession="SRS15143949">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143949</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892074</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>517</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_90" accession="SRS15143950">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143950</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892110</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>532</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_92" accession="SRS15143951">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143951</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892111</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>508</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_93" accession="SRS15143952">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143952</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892112</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>510</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_94" accession="SRS15143953">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143953</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892113</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>520</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_95" accession="SRS15143954">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143954</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892114</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>544</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_97" accession="SRS15143955">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143955</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892115</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>531</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_100" accession="SRS15143956">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143956</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892118</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>554</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_98" accession="SRS15143957">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143957</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892116</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>537</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_102" accession="SRS15143958">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143958</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892119</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>525</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_104" accession="SRS15143959">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143959</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892120</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>513</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_25" accession="SRS15143960">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143960</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892075</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>501</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_106" accession="SRS15143961">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143961</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892121</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>524</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_108" accession="SRS15143962">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143962</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892122</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>518</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_109" accession="SRS15143963">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143963</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892123</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>523</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_110" accession="SRS15143964">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143964</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892124</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>535</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_112" accession="SRS15143965">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143965</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892125</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>564</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_114" accession="SRS15143966">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143966</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892126</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>550</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_117" accession="SRS15143967">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143967</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892127</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>536</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_121" accession="SRS15143968">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143968</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892128</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>538</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_122" accession="SRS15143969">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143969</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892129</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>545</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_123" accession="SRS15143970">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143970</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892130</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>516</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_27" accession="SRS15143971">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143971</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892076</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>516</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_124" accession="SRS15143972">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143972</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892131</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>532</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_214" accession="SRS15143973">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143973</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892157</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>614</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>A</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_221" accession="SRS15143974">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143974</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892158</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>556</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_224" accession="SRS15143975">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143975</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892159</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>557</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P1_36" accession="SRS15143976">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143976</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892079</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>512</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>B</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_264" accession="SRS15143977">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143977</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892160</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>596</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_266" accession="SRS15143978">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143978</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892161</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>602</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_267" accession="SRS15143979">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143979</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892162</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>590</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_269" accession="SRS15143980">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143980</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892163</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PreNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>576</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_270" accession="SRS15143981">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143981</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892164</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>599</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_273" accession="SRS15143982">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143982</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892165</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>607</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_274" accession="SRS15143983">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143983</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892166</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PrePlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>603</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>C</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_277" accession="SRS15143984">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143984</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892168</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>575</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_276" accession="SRS15143985">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143985</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892167</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostNut</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>587</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>N</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="P2_282" accession="SRS15143986">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15143986</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN30892169</EXTERNAL_ID>
    </IDENTIFIERS>
    <SAMPLE_NAME>
      <TAXON_ID>256318</TAXON_ID>
      <SCIENTIFIC_NAME>metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>881306</ID>
          <LABEL>PRJNA881306</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2018-10-19</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>Excreta</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>feces</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>United Kingdom</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>54.980834 N 1.619141 W</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_diet</TAG>
        <VALUE>PostPlacebo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host_subject_id</TAG>
        <VALUE>589</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>administration</TAG>
        <VALUE>V1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>visit</TAG>
        <VALUE>D</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>responder</TAG>
        <VALUE>Y</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMARKS.survey</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-gut</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
