1 From the Departments of Clinical Neurosciences (B.K.M., M.G.), Radiology (B.K.M., M.G.), Community Health Sciences (B.K.M., M.G.), and Medicine (B.K.M., M.G.), Cumming School of Medicine, University of Calgary, Calgary, Canada; and The Hotchkiss Brain Institute, Calgary, Canada (B.K.M.).
2 From the Departments of Clinical Neurosciences (B.K.M., M.G.), Radiology (B.K.M., M.G.), Community Health Sciences (B.K.M., M.G.), and Medicine (B.K.M., M.G.), Cumming School of Medicine, University of Calgary, Calgary, Canada; and The Hotchkiss Brain Institute, Calgary, Canada (B.K.M.). mgoyal@ucalgary.ca.