1. Neuroimmunology Unit, Montreal Neurological Institute; McGill University; Montreal; Quebec; Canada
2. Laboratory of Immunology; University of Montreal Hospital Research Centre; Quebec; Canada
3. Department of Medicine; University of Montreal Hospital Research Center-Notre Dame Hospital; Montreal; Quebec; Canada
4. Neuroimmunology Unit; University of Montreal Hospital Center-Notre Dame Hospital; Montreal; Quebec; Canada
5. McConnell Brain Imaging Center; Montreal; Quebec; Canada
6. Neurology Department; Ottawa General Hospital; Ottawa; Ontario; Canada
7. Ottawa Hospital Blood and Marrow Transplant Program; University of Ottawa; Ottawa; Ontario; Canada