<status value="active"/> <experimental value="false"/> <date value="2014-03-26"/> <description value="One who initiates the control act event, either as its author or its physical performer."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ParticipationType"/> <concept> <code value="AUT"/> </concept> <concept> <code value="PRF"/> </concept> </include> </compose> </ValueSet>

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