1 Family Medicine, McMaster University Michael G DeGroote School of Medicine, Waterloo, Ontario, Canada mountjm@mcmaster.ca.
2 International Olympic Committee Games Group, Lausanne, Switzerland.
3 Chatam House, Senior Consulting Fellow Global Health Programme, London, UK.
4 Oslo Sports Trauma Research Center, Norwegian School of Sports Sciences, Oslo, Norway.
5 Institute of Sport, Exercise and Health (ISEH), Division of Surgery, UCL, London, UK.
6 Latrobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia.
7 Western Centre for Public Health and Family Medicine, University of Western Ontario Schulich School of Medicine and Dentistry, London, Ontario, Canada.
8 Wits Sport and Health (WiSH), School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg-Braamfontein, South Africa.