1. Departments of Pediatrics and Neurology; McGill University; Montreal; Quebec; Canada
2. School of Physical and Occupational Therapy; McGill University; Montreal; Quebec; Canada
3. Department of Clinical Neurosciences and Hotchkiss Brain Institute; Department of Community Health Sciences and Institute of Public Health; University of Calgary; Calgary; Alberta; Canada
4. Departments of Clinical Neurosciences and Pediatrics; University of Calgary; Calgary; Alberta; Canada