1. Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada.
2. Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.
3. Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada.
4. Departments of Pediatrics and Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
5. Division of Endocrinology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
6. Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
7. Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada.