1. Research Unit for Musculoskeletal Function and Physiotherapy, Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense
2. The Research Unit PROgrez, Department of Physiotherapy and Occupational Therapy, Næstved-Slagelse-Ringsted Hospitals, Slagelse, Denmark
3. Sports Orthopedic Research Center – Copenhagen, Department of Orthopaedic Surgery, Copenhagen University Hospital, Amager-Hvidovre, Copenhagen, Denmark
4. Department of Sports Traumatology, Aarhus University Hospital, Aarhus, Denmark
5. Department of Orthopaedic Surgery, Aalborg University Hospital, Aalborg, Denmark
6. Department of Orthopaedic Surgery, Lillebælt Hospital, Kolding, Denmark
7. Elective Surgery Centre, Silkeborg Regional Hospital, Silkeborg, Denmark
8. Research Unit for General Practice, Department of Public Health, University of Southern Denmark, Odense