<?xml version=“1.0” encoding=“UTF-8”?> <ResearchDefinition xmlns=“hl7.org/fhir”>

<id value="example"/>
<meta>
  <security>
    <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
    <code value="HTEST"/>
    <display value="test health data"/>
  </security>
</meta>

<status value="draft"/>
<population>
  <reference value="ResearchElementDefinition/example"/>
</population>

</ResearchDefinition>