Received: 28 January 2020
Accepted: 13 August 2020
First Online: 1 September 2020
Ethics approval and consent to participate
: This observational study, used data that were routinely gathered in the context of care provided in a rehabilitation center with two locations. The need for full medical ethical review and informed consent was waved according to Dutch Law as it concerned the voluntary completion of a concise questionnaire embedded in routine care. The study was carried out in accordance with Dutch legislation regarding the storage and processing of patients’ personal data and in accordance with the Declaration of Helsinki.
: Not applicable.
: Caroline B. Terwee is president of the PROMIS health organization and the Dutch-Flemish PROMIS group. Leo D. Roorda is member of the PROMIS health organization and the Dutch-Flemish PROMIS group. All authors have no financial or non-financial conflict of interest.