<?xml version="1.0" encoding="UTF-8"?><ResearchElementDefinition xmlns="http://hl7.org/fhir"><id value="bbef75ea-533e-4900-8fce-69e22f7468d8"/><meta><versionId value="1"/><lastUpdated value="2022-02-17T17:34:55.928+08:00"/><tag><system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/><code value="HTEST"/><display value="test health data"/></tag></meta><status value="draft"/><type value="population"/><characteristic><definitionCodeableConcept><text value="Diabetic patients over 65"/></definitionCodeableConcept></characteristic></ResearchElementDefinition>