<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE accession="ERS18352798" alias="E-MTAB-13872:203_Exvivo_IL10" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352798</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346814</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>203_Exvivo_IL10</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>203</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>26</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352801" alias="E-MTAB-13872:BregB_CpGCStim_GEX" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352801</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346817</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BregB_CpGCStim_GEX</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin, PBMC prep by Ficoll Paque, B Cell isolation by EasySep B cell Negative Selection Kit. 1uM CpGC stimulation for 72h.   Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>Breg2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352800" alias="E-MTAB-13872:BregA_CpGCStim_IL10" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352800</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346816</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BregA_CpGCStim_IL10</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin, PBMC prep by Ficoll Paque, B Cell isolation by EasySep B cell Negative Selection Kit. 1uM CpGC stimulation for 72h.   Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>Breg1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>28</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352804" alias="E-MTAB-13872:BregC_CpGCStim_IL10" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352804</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346820</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BregC_CpGCStim_IL10</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin, PBMC prep by Ficoll Paque, B Cell isolation by EasySep B cell Negative Selection Kit. 1uM CpGC stimulation for 72h.   Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>Breg3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>26</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352795" alias="E-MTAB-13872:200_Exvivo_D0" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352795</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346811</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>200_Exvivo_D0</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>200</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352796" alias="E-MTAB-13872:200_Exvivo_IL10" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352796</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346812</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>200_Exvivo_IL10</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>200</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352802" alias="E-MTAB-13872:BregB_CpGCStim_IL10" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352802</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346818</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BregB_CpGCStim_IL10</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin, PBMC prep by Ficoll Paque, B Cell isolation by EasySep B cell Negative Selection Kit. 1uM CpGC stimulation for 72h.   Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>Breg2</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352794" alias="E-MTAB-13872:192_Exvivo_IL10" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352794</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346810</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>192_Exvivo_IL10</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>192</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>55</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352799" alias="E-MTAB-13872:BregA_CpGCStim_GEX" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352799</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346815</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BregA_CpGCStim_GEX</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin, PBMC prep by Ficoll Paque, B Cell isolation by EasySep B cell Negative Selection Kit. 1uM CpGC stimulation for 72h.   Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>Breg1</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>28</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352803" alias="E-MTAB-13872:BregC_CpGCStim_GEX" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352803</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346819</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>BregC_CpGCStim_GEX</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin, PBMC prep by Ficoll Paque, B Cell isolation by EasySep B cell Negative Selection Kit. 1uM CpGC stimulation for 72h.   Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>Breg3</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>26</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352797" alias="E-MTAB-13872:203_Exvivo_D0" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352797</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346813</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>203_Exvivo_D0</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>203</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>26</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE accession="ERS18352793" alias="E-MTAB-13872:192_Exvivo_D0" center_name="Division of Infection, Immunity and Transplantation, University College London" broker_name="ArrayExpress">
    <IDENTIFIERS>
      <PRIMARY_ID>ERS18352793</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMEA115346809</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>192_Exvivo_D0</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
      <COMMON_NAME>human</COMMON_NAME>
    </SAMPLE_NAME>
    <DESCRIPTION>Protocols: Blood into Lithium Heparin tubes, PBMC prep by Ficoll Paque. Cells frozen in 10% DMSO RPMI complete medium and defrosted when required. CD19 Miltenyi isolation of B cells.   10X genomics 5' V1, in drop lysis and oligo(d)T reverse transcription with template switch oligos. as per manufacturer's instructions 10X genomics 5' V1, single index as manufacturer's instructions IL-10 was specifically amplified cDNA for the CpGC samples using primers forward 5'GCCTAACATGCTTCGAGATC3' and reverse 5'TGATGTCTGGGTCTTGGTTC3'.  Stardard i7 indexing was then used to produce the library.</DESCRIPTION>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease</TAG>
        <VALUE>normal</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>individual</TAG>
        <VALUE>192</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection date</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>scientific_name</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>common name</TAG>
        <VALUE>human</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>organism part</TAG>
        <VALUE>blood</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>developmental stage</TAG>
        <VALUE>adult</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolate</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell_type</TAG>
        <VALUE>B cell</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>55</VALUE>
        <UNITS>year</UNITS>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geographic location (country and/or sea)</TAG>
        <VALUE>not collected</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
