1. McGill University; Department of Neurology & Neurosurgery; Montreal General Hospital - Room L7-313 1650 Cedar Avenue Montreal QC Canada H3G 1A4
2. Dalhousie University; Department of Medicine, Division of Neurology; Room 3828 Halifax Infirmary, 1796 Summer Street Halifax NS Canada B3H 3A7
3. Centre de Recherche du Centre hospitalier de l'Université de Montréal (CRCHUM); Department of Neurology; 900 St Denis St Montreal Quebec Canada H2X 0A9
4. Centre de Recherche du Centre Hospitalier de l'Université de Montréal; Neurosciences & Social and Preventative Medicine; Pavillon R R04-700 1000 rue St Denis Montreal Quebec Canada H2X 0C1