<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="BPD_1" accession="SRS15745068">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745068</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521526</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD_1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD_2" accession="SRS15745069">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745069</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521527</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD_2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD11" accession="SRS15745070">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745070</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521536</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD11</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD13" accession="SRS15745071">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745071</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521538</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD13</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD12" accession="SRS15745072">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745072</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521537</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD12</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD14" accession="SRS15745073">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745073</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521539</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD14</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD15" accession="SRS15745074">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745074</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521540</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD15</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON1" accession="SRS15745075">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745075</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521541</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON2" accession="SRS15745076">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745076</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521542</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON3" accession="SRS15745077">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745077</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521543</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON4" accession="SRS15745078">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745078</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521544</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON4</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON5" accession="SRS15745079">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745079</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521545</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON5</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD_3" accession="SRS15745080">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745080</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521528</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD_3</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON6" accession="SRS15745081">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745081</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521546</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON6</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON7" accession="SRS15745082">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745082</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521547</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON7</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON8" accession="SRS15745083">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745083</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521548</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON8</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON9" accession="SRS15745084">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745084</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521549</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON9</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON10" accession="SRS15745085">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745085</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521550</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON10</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON11" accession="SRS15745086">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745086</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521551</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON11</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON12" accession="SRS15745087">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745087</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521552</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON12</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON13" accession="SRS15745088">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745088</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521553</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON13</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON14" accession="SRS15745089">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745089</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521554</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON14</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON15" accession="SRS15745090">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745090</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521555</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON15</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD_4" accession="SRS15745091">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745091</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521529</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD_4</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON17" accession="SRS15745092">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745092</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521557</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON17</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON18" accession="SRS15745093">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745093</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521558</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON18</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD5" accession="SRS15745094">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745094</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521530</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD5</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD6" accession="SRS15745095">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745095</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521531</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD6</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NON16" accession="SRS15745096">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745096</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521556</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>NON16</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD7" accession="SRS15745097">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745097</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521532</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD7</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD8" accession="SRS15745098">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745098</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521533</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD8</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD9" accession="SRS15745099">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745099</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521534</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD9</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="BPD10" accession="SRS15745100">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15745100</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31521535</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BPD10</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>408170</TAXON_ID>
      <SCIENTIFIC_NAME>human gut metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>14</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Stool sample</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>Metagenome or environmental</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
