1. Oslo Sports Trauma Research Center, Institute of Sports Medicine, Norwegian School of Sports Sciences, Oslo, Norway
2. Radiology Department, Evidia Norge AS, Oslo, Norway
3. Radiology Department, Unilabs Norge AS, Oslo, Norway
4. The Norwegian Football Association Medical Centre (Idrettens helsesenter), The Norwegian Football Association, Oslo, Norway
5. Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark