1. From Cerebrovascular Division (S.S., T. Uehara, K.T., H.N., K.M.), Department of Medicine, National Cardiovascular Center, Suita, Osaka, Japan; Department of Neurosurgery (N.Y.), Research Institute for Brain and Blood Vessels Akita, Akita, Japan; Department of Neurology (T.H., T. Ueda), Yokohama Stroke and Brain Center, Yokohama, Kanagawa, Japan; Rehabilitation Center (A.T.), Chugoku Rosai General Hospital, Kure, Hiroshima, Japan; Department of Cerebrovascular Disease (Y.O.), National Hospital...