1. From the Department of Behavioral Neurology and Cognitive Neuroscience (E.M.), Tohoku University Graduate School of Medicine, Sendai, Japan; Cerebrovascular Division (K.M.), National Cardiovascular Center, Suita, Japan; the Department of Neurosurgery and Stroke Center (J.N.), Nakamura Memorial Hospital, Sapporo, Japan; the National Cardiovascular Center (T.Y.), Suita, Osaka, Japan; Advanced Medical Research Center (M.S.), Iwate Medical University, Morioka, Japan; and the Department of Neurology (T.H...