Elsman, Ellen B. M. http://orcid.org/0000-0002-0680-6430
Roorda, Leo D. http://orcid.org/0000-0001-9348-5390
Crins, Martine H. P. http://orcid.org/0000-0002-3636-3546
Boers, Maarten http://orcid.org/0000-0002-6969-283X
Terwee, Caroline B. http://orcid.org/0000-0003-4570-2826
Funding for this research was provided by:
Vrije Universiteit Amsterdam
Dutch Arthritis Association
Virtutis Opus foundation
Article History
Received: 18 November 2020
Accepted: 30 April 2021
First Online: 12 May 2021
Declarations
:
: The Medical Ethical Committee of Amsterdam UMC, location VUmc, the Netherlands, confirmed that the study protocol was exempted from ethical approval according to the Dutch Medical Research in Human Subjects Act (WMO), as no experiments were conducted. Informed consent to become a panelist was ensured by the panel provider (GMI). By voluntarily responding to the invitation to complete the survey, panelists provided informed consent to participate in the study.
: N/A.
: CB Terwee and LD Roorda are members of the PROMIS Health Organization and the Dutch-Flemish PROMIS National Center, which aim to improve health outcomes by developing, maintaining, improving, and encouraging the application of PROMIS in research and clinical practice. The other authors have no conflict of interest.