1. Academic Center for Evidence based Sports medicine (ACES), Academic Medical Center, Amsterdam, The Netherlands
2. Amsterdam Collaboration on Health & Safety in Sports (ACHSS), Academic Medical Center, VU University Medical Center, Amsterdam, The Netherlands
3. Department of Orthopaedic Surgery, Academic Medical Center, Amsterdam, The Netherlands
4. World Players’ Union (FIFPro), Players’ Services, Hoofddorp, The Netherlands
5. Sports Physician Group, OLVG, Amsterdam, The Netherlands