1. Concussion Clinic, Canterbury District Health Board; Department of Orthopedic Surgery and Musculoskeletal Medicine, University of Otago Christchurch, Christchurch, New Zealand.
2. Department of Health and Environmental Studies, Auckland University of Technology, Auckland, New Zealand.
3. Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada.
4. Department of Psychology, University of Windsor, Windsor, Ontario, Canada.
5. Division of Physical Medicine and Rehabilitation, University of British Columbia; Rehabilitation Research Program, GF Strong Rehab Centre, Vancouver, British Columbia, Canada.