Correspondence to: R T Larsen ralasund.ku.dk (or on Twitter).
9Section of Health Services Research, Department of Public Health, University of Copenhagen, Denmark.
8Department of Physiotherapy and Occupational Therapy, Copenhagen University Hospital, Herlev and Gentofte, Denmark.
7Research Unit of Musculoskeletal Function and Physiotherapy, Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.
6Danish Cancer Society Research Center, Danish Cancer Society, Copenhagen, Denmark.
5Danish Health Authority, Copenhagen, Denmark.
4Parker Institute, Bispebjerg and Frederiksberg Hospital, Capital Region, Frederiksberg, Denmark.
3Department of Brain Injury Rehabilitation, Copenhagen University Hospital, Rigshospitalet, Denmark.
2Department of Occupational Therapy and Physiotherapy, Copenhagen University Hospital, Rigshospitalet Copenhagen, Denmark.
1Department of Public Health, Section of Social Medicine, University of Copenhagen, Copenhagen, Denmark.