1. Faculty of Medicine McGill University Montreal QuebecCanada
2. Department of Pediatrics and Clinical Neurosciences University of Calgary Calgary AlbertaCanada
3. Canadian Cerebral Palsy Registry Research Institute of McGill Health Center Montreal QuebecCanada
4. Departments of Pediatrics, Psychiatry and Community Health Sciences Faculty of Nursing and Cumming School of Medicine University of Calgary Calgary AlbertaCanada
5. Departments of Pediatrics and Community Health Sciences University of Calgary Calgary AlbertaCanada
6. Department of Pediatrics McGill University Montreal QuebecCanada
7. Departments of Neurology and Neurosurgery McGill University Montreal QuebecCanada
8. Alberta Children’s Hospital Research Institute University of Calgary Calgary Alberta Canada