Dear @Christian_Reich,
Thank you for your reply.
It is not so much about a single case, as it is about rehabilitation in general. There are many PROMs and rehabilitation measures that, at the moment, we cannot map, and also lacking of standardization our field.
We were wondering how other fields go about setting up a vocabulary, how they fit them into the CDM or have thought of different solutions to these issue. Maybe we should go about is on a case by case basis?
However, I think a more generalized approach by the field would make more sense in terms of standardization and facilitating reuse in the future.