1. Division of Neurology, Department of Medicine, St Michael's Hospital, University of Toronto, Toronto, ON M5B 1W8, Canada
2. Department of Clinical Neurosciences, Hotchkiss Brain Institute, University of Calgary, Calgary, AB T2N 4N1, Canada
3. Division of Physiatry, Department of Medicine, University Health Network – Toronto Rehabilitation Institute, University of Toronto, Toronto, ON M4G 1R7, Canada
4. Division of Neurology, Department of Medicine, University of British Columbia MS/NMO Center, Vancouver, BC V6T 1Z3, Canada
5. Department of Neurology, Montreal Neurological Institute, McGill University, Montreal, QC H3A 2B4, Canada
6. Division of Neurology, Neuroscience & Mental Health Institute, University of Alberta, Edmonton, AB T6G 2B7, Canada
7. Novartis Pharmaceuticals Canada, Montreal, QC H9S 1A9, Canada
8. University of Montreal Research Centre, Montreal, QC H9S 1A9, Canada