1. Sport Injury Prevention Research Center, 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. Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Center for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada.
5. Department of Pediatrics and Clinical Neurological Sciences, Western University, London, Ontario, Canada.
6. Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada.
7. Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada.
8. Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada.