[1] Seirei Christopher Univ, Dept Nursing, Kita Ku, Hamamatsu, Shizuoka 4338558, Japan
[2] Seirei Mikatahara Gen Hosp, Dept Palliat & Support Care, Palliat Care Team, Hamamatsu, Shizuoka, Japan
[3] Seirei Mikatahara Gen Hosp, Seirei Hosp, Hamamatsu, Shizuoka, Japan
[4] Tohoku Univ, Grad Sch Med, Dept Palliat Nursing, Sendai, Miyagi 980, Japan
[5] Univ Tokyo, Grad Sch Educ, Dept Clin Psychol, Tokyo, Japan
[6] Chiba Canc Ctr, Psychooncol Div, Chiba 2608717, Japan
[7] Shirahige Clin, Nagasaki, Japan
[8] Keio Univ, Fac Policy Management, Tokyo, Japan
[9] Teikyo Univ, Sch Med, Dept Internal Med, Tokyo 173, Japan