urn:ddi:int.naddi:a46f444b-ef0b-4658-a82e-466d8abe9132:7 int.naddi a46f444b-ef0b-4658-a82e-466d8abe9132 7 jeremy registration Registration and check-in? int.naddi 676d2c73-72c3-4841-b3dc-db44df751109 5 RepresentedVariable int.naddi 8f52bd42-d959-4dca-80fb-b90996e16300 2 QuestionItem input int.naddi 8b0d25e1-074c-4c94-8bdd-52430b55b3ae 2 CodeList