[1] Univ Tokyo, Grad Sch Med, Sch Hlth Sci & Nursing, Dept Adult Nursing Palliat Care Nursing,Bunkyo Ku, Tokyo 1130033, Japan
[2] Seirei Mikatahara Hosp, Palliat Care Team, Dept Palliat & Support Care, Shizuoka, Japan
[3] Seirei Mikatahara Hosp, Seirei Hosp, Shizuoka, Japan
[4] Tsukuba Med Ctr Hosp, Dept Palliat Med, Ibaraki, Japan
[5] Natl Canc Ctr Hosp E, Res Ctr Innovat Oncol, Psycho Oncol Div, Chiba, Japan