1. Department of Community Mental Health & Law, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
2. Centre for Youth Mental Health, University of Melbourne, Victoria, Australia
3. Japan Rugby Players’ Association, Tokyo, Japan
4. Department of Orthopedic Surgery and Sports Medicine, Amsterdam UMC – location AMC, Amsterdam, The Netherlands
5. Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, South Africa
6. Amsterdam Collaboration on Health & Safety in Sports (ACHSS), IOC Research Center of Excellence, Amsterdam, The Netherlands
7. Musculoskeletal Health, Sports, Amsterdam Movement Sciences, Amsterdam University Medical Centers, The Netherlands