[1] Okayama Univ, Fac Hlth Sci, Dept Nursing, Okayama, Japan
[2] SOMPO Care Inc, Tokyo, Japan
[3] Assoc Hlth Econ Res & Social Insurance & Welf, Inst Hlth Econ & Policy, Res Dept, Tokyo, Japan
[4] Univ Tokyo, Grad Sch Med, Dept Home Care Med, Tokyo, Japan
[5] Univ Yamanashi, Grad Sch Med, Yamanashi, Japan
[6] Wakakoukai Hlth Care Corp, Geriatr Hlth Serv Facil Tatsumanosato, Osaka, Japan
[7] Hiroshima Univ, Grad Sch Biomed & Hlth Sci, Dept Med Integrated Approach Social Inclus, Hiroshima, Japan
[8] Hiroshima Univ, Grad Sch Biomed & Hlth Sci, Dept Med Integrated Approach Social Inclus, Kasumi 1-2-3 Minami Ku, Hiroshima 7348553, Japan