1. a Traumatic Brain Injury Program and Neurosurgery Department , McGill University Health Centre-Montreal General Hospital, Montreal , Quebec , Canada
2. b Neurosurgery Department , McGill University Health Centre-Montreal General Hospital , Montreal , Quebec , Canada
3. c Neurology and Neurosurgery , The National Neuroscience Institute , Riyadh , Saudi Arabia
4. d Traumatic Brain Injury Program, McGill University Health Centre-Montreal General Hospital , Montreal , Quebec , Canada
5. e Social and Preventive Medicine Department , University of Montreal , Montreal , Quebec , Canada
6. f Psychiatry Department , McGill University Health Centre-Montreal General Hospital , Montreal , Quebec , Canada