[1] Kyoto Univ, Grad Sch Med, Sch Publ Hlth, Dept Healthcare Epidemiol, Kyoto, Japan
[2] Saku Cent Hosp, Dept Nephrol, Nagano, Japan
[3] Kyoto Univ Hosp, Inst Adv Clin & Translat Sci IACT, Kyoto, Japan
[4] Fukushima Med Univ, Ctr Innovat Res Communities & Clin Excellence CIR, Fukushima, Japan
[5] Saku Cent Hosp, Sch Nursing, Nagano, Japan