1. From the Department of Medicine (Neurology) (T.J.J., A.S.), and Division of General Internal Medicine (S.R.M., N.D.), University of Alberta (S.F), Edmonton; Alberta Health Services, Edmonton (T.J.J., A.S., D.G.) and Alberta Health Services, Calgary (C.E.); Department of Medicine (Neurology) (A.Y.X.Y.), University of Toronto, Ontario, Canada; Department of Neurosciences (P.M.C.C.), Monash University, Melbourne, Australia; Department of Clinical Neurosciences (A.M.D., T.J.W., M.D.H., S.B.C.),...