1 Family Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada jane.s.thornton@gmail.com.
2 Fowler Kennedy Sport Medicine Clinic, Western University, London, Ontario, Canada.
3 Wits Sport and Health (WiSH), School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg-Braamfontein, South Africa.
4 Latrobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia.
5 Department of Orthopedic Surgery, Oslo University Hospital, Oslo, Norway.
6 Oslo Sports Trauma Research Center, Norwegian School of Sport Sciences, Oslo, Norway.
7 Center for Sports Cardiology, University of Washington, Seattle, Washington, USA.