1. From the Departments of Clinical Neurosciences (M.A.A., A.M.D., S.M., B.K.M., S.W., J.H.W., M.D.H., M.G.), Community Health Sciences (M.D.H., S.W., F.M.C.), Radiology (A.M.D., M.D.H., M.G.), and Faculty of Medicine (M.D.H.), Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada; Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba (S.B.); and Internal Medicine Department, King Abdulaziz University, Jeddah, Saudi Arabia (M.A.A.).