1. Tampere Research Center of Sports Medicine; Tampere Finland
2. Faculty of Sport and Health Sciences; University of Jyväskylä; Jyväskylä Finland
3. UKK Institute for Health Promotion Research; Tampere Finland
4. Faculty of Kinesiology; Sport Injury Prevention Research Centre; University of Calgary; Calgary Canada
5. Department of Sports Sciences; Oslo Sports Trauma Research Center; Norwegian School of Sport Sciences; Oslo Norway
6. Injury and Osteoporosis Research Center; UKK Institute; Tampere Finland