Crins, Martine H. P.
Terwee, Caroline B.
Ogreden, Oguzhan
Schuller, Wouter
Dekker, Paul
Flens, Gerard
Rohrich, Daphne C.
Roorda, Leo D.
Article History
Accepted: 10 December 2018
First Online: 2 January 2019
Compliance with ethical standards
:
: Dr. C.B. Terwee is president of the PROMIS Health Organization. All authors are members of the Dutch-Flemish PROMIS group. All authors have no financial or non-financial conflicts of interest.
: As this study did not involve experiments with patients, it was exempt from ethical approval according to the Dutch Medical Research in Human Subjects Act (WMO) by the medical ethics committee of the VU University Medical Center, and of Slotervaart and Reade, Amsterdam.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and national research committees and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
: According to the Dutch Medical Research in Human Subjects Act (WMO), obtaining informed consent was not necessary. The waiver includes that a signature from the patient on a separate informed consent form was not required, but that completion of the questionnaire by the patient can be considered as informed consent.