1. From the Department of Neurology, Stroke Center, Saiseikai Kumamoto Hospital, Kumamoto, Japan (M.N., Y.I., T.Y.); Diagnostic Imaging Center, Saiseikai Kumamoto Hospital, Kumamoto, Japan (T.O.); and Department of Neurology and Neuromuscular Disorder, Oita University Faculty of Medicine, Yufu, Japan (T.H.).