http://hl7.org/fhir/StructureDefinition/questionnaireresponse-reviewer|5.2.0

Individual responsible for ensuring that the questionnaire response have been completed appropriately and signs off on the content.
NameFlagsCardTypeDescription & Constraints
Extension
0..1Who verified completion of form?
 
extension
?..0
 
url
?..?
 
value[x] *
1..?
 
 
valueReference *
1..?Reference