1. Institute of Sports Medicine Copenhagen Department of Orthopedic Surgery M Copenhagen University Hospital ‐ Bispebjerg and Frederiksberg and Center for Healthy Aging Institute of Sports Medicine Copenhagen University of Copenhagen Copenhagen Denmark
2. The Research Unit for General Practice and Section of General Practice Department of Public Health University of Copenhagen Copenhagen Denmark
3. Department of Global Public Health and Primary Care University of Bergen Bergen Norway
4. Musculoskeletal Rehabilitation Research Unit Department of Physical Therapy Bispebjerg Hospital, University of Copenhagen Copenhagen Denmark
5. Department of Orthopedic Surgery Haukeland University Hospital Bergen Norway
6. Department of Orthopedics Sorlandet Hospital Kristiansand Oslo Norway
7. Oslo Sports trauma Research Centre Norwegian School of Sports Sciences Oslo Norway
8. Department of Epidemiology Research Statens Serum Institute Copenhagen Denmark
9. Department of Physical Therapy University of Delaware Newark DE USA
10. Institute for Research Institute for Sport and Exercise (UCRISE) University of Canberra Canberra ACT Australia