1. From the Calgary Stroke Program, Departments of Clinical Neurosciences (S.B.C., V.D., J.M., C.K., A.M.D., E.E.S., S.S., M.G., B.K.M., P.A.B., M.D.H.), Radiology (S.B.C., A.M.D., E.E.S., M.G., S.P., B.K.M., M.D.H.), Community Health Sciences (E.E.S., M.D.H.), and Medicine (M.D.H.), and Hotchkiss Brain Institute (S.B.C., A.M.D., E.E.S., M.G., B.K.M., P.A.B., M.D.H.), Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Medicine (Neurology), Ottawa Hospital...