1. Stockholm Sports Trauma Research Center, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
2. Center of Research on Welfare, Health and Sport, Halmstad University, Halmstad, Sweden
3. Rehab Öppenvård, TioHundra, Norrtälje, Sweden
4. Capio Artro Clinic, Sophiahemmet, Stockholm, Sweden