Annotation
This element is either the form or item comment and is populated when there is a comment.
XPath for the Item comment
ODM/ClinicalData/SubjectData/StudyEventData/FormData/ItemGroupData/ItemData/
AnnotationXPath for the form comment
ODM/ClinicalData/SubjectData/StudyEventData/FormData/ItemGroupData/ItemData/
AnnotationParent topic: ODM structure for custom event output