<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta />
  <url value="https://purl.org/elab/fhir/network/StructureDefinition/1/SubjectNo" />
  <version value="1" />
  <name value="SubjectNo" />
  <status value="active" />
  <date value="2017-09-19T09:24:58.9469576Z" />
  <description value="An identifier (usually numeric) which uniquely identifies a subject in a cohort e.g. the SubjectID variable in MAAS." />
  <fhirVersion value="3.0.0" />
  <kind value="complex-type" />
  <abstract value="false" />
  <contextType value="resource" />
  <context value="Basic" />
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://purl.org/elab/fhir/network/StructureDefinition/1/SubjectNo" />
    </element>
    <element id="Extension.valueString">
      <path value="Extension.valueString" />
      <sliceName value="SubjectNo" />
      <short value="An identifier (usually numeric) which uniquely identifies a subject in a cohort e.g. the SubjectID variable in MAAS." />
      <definition value="SubjectNo" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
    </element>
  </differential>
</StructureDefinition>