1. Concussion Clinic, Burwood Hospital, Christchurch, New Zealand;
2. Department of Orthopaedic Surgery and Musculoskeletal Medicine, University of Otago, Christchurch, New Zealand;
3. Rehabilitation Teaching and Research Unit, University of Otago, Wellington, New Zealand;
4. Department of Psychological Medicine, University of Otago, Christchurch, New Zealand;
5. Faculty of Health and Environmental Studies, AUT University, Auckland, New Zealand;
6. Department of Medicine, University of Otago, Christchurch, New Zealand;
7. New Zealand Brain Research Institute, Christchurch, New Zealand;
8. Brain Research New Zealand Centre of Research Excellence, New Zealand