1. Orthopaedic Surgery Research Unit; Aalborg University Hospital; Aalborg Denmark
2. Department of Occupational and Physiotherapy; Aalborg University Hospital; Aalborg Denmark
3. Diagnostic Centre; Silkeborg Regional Hospital; Silkeborg Denmark
4. Elective Surgery Center; Silkeborg Regional Hospital; Silkeborg Denmark
5. Kaalunds Klinik (Private/Public Orthopaedic Clinic); Aalborg Denmark
6. Department of Rheumatology; Aalborg University Hospital; Aalborg Denmark
7. Institute of Sports Medicine Copenhagen; Copenhagen University Hospital; Copenhagen Denmark