Affiliation: | Department of Psychiatry, Teikyo University School of Medicine;Department of Psychiatry, Tokyo Metropolitan Geriatric Hospital, Sakae-cho, Itabashi-ku;Department of Psychiatry, Tokyo Metropolitan Tama Geriatric Hospital, 1–7-1, Aoba-cho, Higashimurayama, Tokyo;Department of Neurology, Jichi Medical School, Omiya Medical Center, Amanuma, Omiya City, Saitama, Japan |