Smit, E. B. http://orcid.org/0000-0002-3904-1251
Bouwstra, H.
van der Wouden, J. C.
Hertogh, C. M. P. M.
Wattel, E. M.
Roorda, L. D.
Terwee, C. B.
Article History
Accepted: 11 April 2020
First Online: 21 April 2020
Compliance with ethical standards
:
: Dr. C.B. Terwee is president of the PROMIS Health Organization. Dr. L.D. Roorda and Dr. C.B. Terwee are members of the Dutch-Flemish PROMIS group. All authors have no financial or non-financial conflicts of interest.
: Informed consent was obtained from all individual participants included in the study. Decision incompetent patients (as rated by the attending physician) were excluded from the study; in such, we considered all included patients to be competent to sign informed consent.