1. Child Health Evaluative Sciences, Hospital for Sick Children, 555 University Avenue, Toronto, ON, Canada M5G 1X8
2. Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, 2500 University Drive, Calgary, AB, Canada T2N 1N4
3. School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON, Canada M3J 1P3
4. Alberta Children’s Hospital, Institute for Child and Maternal Health, 2888 Shaganappi Trail NW, Calgary, AB, Canada T3B 6A8
5. Departments of Pediatrics and Community Health Sciences, Cumming School of Medicine, University of Calgary, 2500 University Drive, Calgary, AB, Canada T2N 1N4