1. Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, 5230 Odense, Denmark
2. The Parker Institute, Bispebjerg and Frederiksberg Hospital, 2000 Frederiksberg, Denmark
3. Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
4. Metodekonsulent Callesen, 8600 Silkeborg, Denmark
5. Department Physiotherapy and Occupational Therapy, Copenhagen University Hospital, Herlev and Gentofte, 2100 Copenhagen, Denmark
6. Research Unit OPEN, Department of Clinical Research, University of Southern Denmark, 5230 Odense, Denmark