^○Ryosuke HOSAKA (Dept.of Human Environment, Fac. of Engng., Shonan Inst. of Tech.)

^○Hitoshi Wakisaka (Department of Medical Informatics, National Defense Medical College Hospital, Saitama, Japan)

^○Unno Yasushi (Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology)

^○Miki Takami¹, Eiko Nakanishi², Eiko Nishiumi³, Kyoko Ishigaki¹ (1.Graduate School of Applied Informatics, University of Hyogo, 2.College of Nursing Art and Science, University of Hyogo, Japan, 3.Mitsubishi Kobe Hospital, Hyogo, Japan)

^○Ryoma SETO (Tokyo Healthcare University, Tokyo, Japan)