[1] Oslo Metropolitan University,Department of Rehabilitation Sciences and Health Technology
[2] Akershus University Hospital,Orthopedic department
[3] Akershus University Hospital,Orthopaedic department
[4] Center for treatment of Rheumatic and Musculoskeletal Diseases (REMEDY),Department of Research and Innovation, Division of Clinical Neuroscience
[5] Diakonhjemmet Hospital,Division of Orthopedic Surgery
[6] Norwegian Sports Medicine Clinic,Department of Sports Medicine
[7] Oslo University Hospital,undefined
[8] Oslo University Hospital,undefined
[9] Norwegian of School Sport Sciences,undefined