Clausen, Stine http://orcid.org/0000-0002-8632-4596
Hartvigsen, Jan http://orcid.org/0000-0002-5876-7410
Boyle, Eleanor http://orcid.org/0000-0002-9012-9128
Roos, Ewa M. http://orcid.org/0000-0001-5425-2199
Grønne, Dorte Thalund http://orcid.org/0000-0002-8235-1175
Ernst, Martin Thomsen http://orcid.org/0000-0001-9003-3823
Arnbak, Bodil http://orcid.org/0000-0002-9135-0780
Skou, Søren T. http://orcid.org/0000-0003-4336-7059
Article History
Received: 14 April 2021
Accepted: 14 August 2021
First Online: 7 September 2021
Declarations
:
: According to Danish legislation ethics approval for registry-based studies are not required. The Danish Data Protection Agency at University of Southern Denmark (SDU) approved the GLA:D® register (approval no.: SDU; 10.084) and the current analyses (approval no.: SDU; 10.124).
: Not applicable
: Dr. Roos is deputy editor of Osteoarthritis and Cartilage, the developer of the Knee injury and Osteoarthritis Outcome Score (KOOS) and several other freely available patient-reported outcome measures and co-founder of Good Life with osteoArthritis in Denmark (GLA:D®), a not-for profit initiative hosted at University of Southern Denmark aimed at implementing clinical guidelines for osteoarthritis in clinical practice.Dr. Skou is associate editor of the Journal of Orthopedic & Sports Physical Therapy and has received grants from The Lundbeck Foundation and personal fees from Munksgaard, all of which are outside the submitted work. He is co-founder of GLA:D®.Professor Hartvigsen is co-developer of GLA:D® Back.Neither of the other co-authors had any conflicts to declare.