[1] Tokyo Med & Dent Univ, Dept Syst Management Nursing, Grad Sch Hlth Care Sci, Bunkyo Ku, Tokyo 1138591, Japan
[2] Univ Tokyo, Dept Adult Nursing Palliat Care Nursing, Sch Hlth Sci & Nursing, Grad Sch Med,Bunkyo Ku, Tokyo 1130033, Japan
[3] Seirei Mikatahara Gen Hosp, Dept Palliat & Support Care, Palliat Care Team, Shizuoka 4338558, Japan
[4] Seirei Mikatahara Gen Hosp, Seirei Hosp, Shizuoka 4338558, Japan
[5] Natl Canc Ctr Hosp E, Psychooncol Div, Res Ctr Innovat Oncol, Chiba 2778577, Japan
[6] Keio Univ, Fac Policy Management, Kanagawa 2528520, Japan
[7] Shirahige Clin, Nagasaki 8500003, Japan
[8] Teikyo Univ, Dept Internal Med & Med Oncol, Sch Med, Itabashi Ku, Tokyo 1738606, Japan