urn:ddi:int.example:f480c44c-cf55-4d7b-8f15-ad6ecafb9f81:2 int.example f480c44c-cf55-4d7b-8f15-ad6ecafb9f81 2 extension:ShouldCalculateFrequenciesForValidValues True extension:ShouldCalculateFrequenciesForInvalidValues True fdz@dezim-institut.de hlt0002x07 hlt0002x07 hlt0002x07 Covid Impfung dafür: leichter ins Ausland reisen Covid vaccination pro: easier to travel abroad Covid vaccination pro: easier to travel abroad int.example b92bf2ef-b3ef-4b53-8844-c6f2a2244b2f 1 QuestionItem int.example 0d13a458-a85c-41e0-a8e1-df8c6f48b79b 1 CodeList