[1] Seirei Mikatahara Gen Hosp, Dept Palliat & Support Care, Palliat Care Team, Shizuoka 4338558, Japan
[2] Univ Tokyo, Grad Sch Med, Japan Canc Soc, Tokyo, Japan
[3] Univ Tokyo, Grad Sch Med, Japan Dept Adult Nursing Palliat Care Nursing, Tokyo, Japan
[4] Seirei Mikatahara Gen Hosp, Seirei Hosp, Shizuoka 4338558, Japan
[5] Natl Canc Ctr Hosp E, Psychooncol Div, Res Ctr Innovat Oncol, Chiba, Japan
[6] Univ Tsukuba, Grad Sch Comprehens Human Sci, Ibaraki, Japan
[7] Shirahige Clin, Nagasaki, Japan
[8] Keio Univ, Fac Policy Management, Kanagawa, Japan
[9] Osaka Univ, Grad Sch Med, Dept Complementary & Alternat Med, Ctr Study Commun Design, Osaka, Japan
[10] Osaka Univ, Grad Sch Human Sci, Osaka, Japan
[11] Tokyo Univ Hosp, Grad Sch Med, Dept Clin Trial Data Management, Tokyo 113, Japan
[12] Teikyo Univ, Sch Med, Div Med Oncol, Tokyo 173, Japan