<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="GSM2843848" accession="SRS2667380">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667380</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987692</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843848</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>H204</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>66</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843849" accession="SRS2667381">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667381</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987691</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843849</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>H137</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>77</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843855" accession="SRS2667382">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667382</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987685</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843855</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>H121</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>64</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843852" accession="SRS2667384">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667384</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987688</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843852</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>H122</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>72</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843856" accession="SRS2667385">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667385</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987693</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843856</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>H168</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>63</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843854" accession="SRS2667386">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667386</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987686</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843854</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>H120</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>62</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843851" accession="SRS2667387">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667387</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987689</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843851</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>H109</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>81</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843850" accession="SRS2667388">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667388</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987690</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843850</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>H123</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>78</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843857" accession="SRS2667389">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667389</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987694</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843857</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PD50</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>Parkinson's Disease</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>88</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843858" accession="SRS2667390">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667390</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987700</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843858</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PD54</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
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        <TAG>disease state</TAG>
        <VALUE>Parkinson's Disease</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>78</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667392</PRIMARY_ID>
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      <EXTERNAL_ID namespace="GEO">GSM2843859</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PD16</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>Parkinson's Disease</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>79</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS2667393</PRIMARY_ID>
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      <EXTERNAL_ID namespace="GEO">GSM2843862</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PD8</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
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        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
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        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
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        <TAG>disease state</TAG>
        <VALUE>Parkinson's Disease</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>55</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS2667395</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987696</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843860</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PD33</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>Parkinson's Disease</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>91</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843861" accession="SRS2667396">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667396</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987695</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843861</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PD15</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>Parkinson's Disease</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>76</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843853" accession="SRS2667383">
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      <PRIMARY_ID>SRS2667383</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987687</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843853</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>H131</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>control</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>73</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2843863" accession="SRS2667394">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2667394</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN07987698</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2843863</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>PD58</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>9606</TAXON_ID>
      <SCIENTIFIC_NAME>Homo sapiens</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>417394</ID>
          <LABEL>PRJNA417394</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>fresh-frozen brain tissue</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>disease state</TAG>
        <VALUE>Parkinson's Disease</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain, subthalamic nucleus</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>82</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
