1. Department of Physical and Occupational Therapy, Copenhagen University Hospital - Bispebjerg Frederiksberg, Copenhagen NV, Denmark
2. Training and Rehabilitation Center, Municipality of Lyngby-Taarbæk, Kgs. Lyngby, Denmark
3. Department of Physiotherapy and Occupational Therapy, Naestved, Slagelse and Ringsted Hospitals, Slagelse, Denmark
4. Institute of Sports Medicine, Department of Orthopedic Surgery, Copenhagen University Hospital - Bispebjerg Frederiksberg, Copenhagen NV, Denmark
5. Center for Healthy Aging, University of Copenhagen, Copenhagen, Denmark
6. Institute for Clinical Medicine, University of Copenhagen, Copenhagen N, Denmark