Affiliation: | (1) Department of Geriatric Medicine, Graduate School of Medicine, University of Tokyo, Tokyo 113, Japan, JP;(2) Research Institute and Practice for Involutional Diseases, 1609 Meisei, Minami-Azumino-gun, Nagano 399-81, Japan, JP;(3) Tokyo Metropolitan Geriatric Hospital, 35-2 Sakae cho, Itabashi-ku, Tokyo 173, Japan, JP |