1. Institute of Sports Medicine Copenhagen; Bispebjerg and Frederiksberg Hospitals; University of Copenhagen and Center for Healthy Aging; Faculty of Health and Medical Sciences; University of Copenhagen; Copenhagen Denmark
2. Musculoskeletal Rehabilitation Research Unit; Department of Physical & Occupational Therapy Bispebjerg and Frederiksberg Hospitals; University of Copenhagen; Copenhagen Denmark
3. The Research Unit for General Practice and Section of General Practice; Department of Public Health; University of Copenhagen; Copenhagen Denmark
4. Department of Radiology Bispebjerg and Frederiksberg Hospitals; University of Copenhagen; Copenhagen Denmark