From the Departments of Neurology (Y.S-N., T.U., N.H., Y.M.) and Cardiology (Y.W.), Juntendo University School of Medicine, Tokyo; Department of Neurology, Tokyo Metropolitan Ebara Hospital (T.N., M.Y.); and Department of Neurology, Tokyo Metropolitan Tama Geriatric Hospital (M.H.) (Japan). (2001-07時点)