<Group xmlns="http://hl7.org/fhir"><id value="example-patientlist"/><text><status value="additional"/><div xmlns="http://www.w3.org/1999/xhtml">
      <p>All patients primarily attributed to Practitioner 123</p>
    </div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="fhir"/></extension><publisher value="HL7 International / FHIR Infrastructure"/><contact><telecom><system value="url"/><value value="http://www.hl7.org/Special/committees/fiwg"/></telecom></contact><type value="person"/><membership value="enumerated"/><characteristic><code><coding><system value="http://example.org"/><code value="attributed-to"/></coding><text value="Patients primarily attributed to"/></code><valueReference><reference value="Practitioner/123"/></valueReference><exclude value="false"/></characteristic></Group>