1. Neuroimmunology Unit, Montreal Neurological Institute and Department of Neurology and Neurosurgery, Montreal Neurological Institute , McGill, Montreal, H3A 2B4 , Canada
2. Division of Pediatric Neurology, Montreal Children’s Hospital , Montreal, H4A 3J1 , Canada
3. Department of Neurosurgery, McGill University Health Centre and Department of Neurology and Neurosurgery, McGill University , Montreal, H4A 3J1 , Canada
4. Department of Pediatric Neurosurgery, Montreal Children’s Hospital , Montreal, H4A 3J1 , Canada
5. Department of Neurology, University of Montreal , Montreal, H3A 2B4 , Canada
6. Faculty of Medicine, Department of Neuroscience, Université de Montréal , Montreal , Canada