has respondents metadata complete - requires restrictions and relationships SCDO A relation between a measure (e.g. a survey) and the measure's respondents (people who respond). Respondents can be types or groups of people or people with a specific relationship to the main person of interest in the measure. no If the main person of interest responds, "Self" is indicated. If a person other than the main person of interest can respond, "Proxy" is indicated. If the proxy responder has a specific relationship (Family Members; Health Care Provider or Care-giver) to the main person of interest, that relationship should be indicated in brackets after "Proxy", e.g. Proxy (Health Care Provider or Care-giver). If more than one type of proxy responder is relevant, these should be listed and separated by ";", e.g. Proxy (Family Members; Health Care Provider or Care-giver) Requested inclusion of this property into RO. Check details here again after inclusion. Should be restricted to all measure/questionnaire classes.