1. Neuroimmunology Unit, Montreal Neurological Institute and Department of Neurology and Neurosurgery McGill University Montreal QC Canada
2. Department of Neurosurgery, McGill University Health Centre and Department of Neurology and Neurosurgery McGill University Montreal QC Canada
3. Department of Pediatric Neurosurgery Montreal Children's Hospital Montreal QC Canada
4. Division of Pediatric Neurology Montreal Children's Hospital Montreal QC Canada
5. Department of Neurosciences Centre de recherche du centre hospitalier de l'Université de Montréal Montreal QC Canada
6. Department of Neuropathology, Montreal Neurological Institute and Department of Neurology and Neurosurgery McGill University Montreal QC Canada
7. Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital Montreal QC Canada