[1] Yokohama City Univ, Grad Sch Med, Dept Nursing, Canc Adv Adult Nursing,Kanazawa Ku, 3-9 Fukuura, Kanagawa, Tokyo 2360004, Japan
[2] Univ Tokyo, Grad Sch Med, Div Hlth Sci & Nursing, Dept Family Nursing, Tokyo, Japan
[3] Seirei Mikatahara Gen Hosp, Dept Palliat & Support Care, Palliat Care Team, Hamamatsu, Shizuoka, Japan
[4] Seirei Mikatahara Gen Hosp, Seirei Hosp, Hamamatsu, Shizuoka, Japan
[5] Tohoku Univ, Dept Palliat Nursing, Sch Med, Hlth Sci, Sendai, Miyagi, Japan
[6] Nagoya Univ, Grad Sch Med, Dept Nursing, Sch Hlth Sci, Nagoya, Aichi, Japan
[7] Kyoto Univ, Grad Sch Med, Dept Human Hlth Sci, Kyoto, Japan
[8] Tsukuba Med Ctr Hosp, Dept Palliat Med, Tsukuba, Ibaraki, Japan