[1] Senri Chuo Hosp, Dept Palliat Care, 1-4-3 Shin Senri Higashi Machi, Toyonaka, Osaka, Japan
[2] Natl Canc Ctr Hosp East, Dept Psycho Oncol Serv, 6-5-1 Kashiwa No Ha, Kashiwa, Chiba, Japan
[3] Univ Tokyo, Grad Sch Med, Dept Stress Sci & Psychosomat Med, Bunkyo Ku, 7-3-1 Hongo, Tokyo, Japan
[4] Nagoya City Univ Hosp, Div Psychooncol & Palliat Care, Nagoya, Aichi, Japan
[5] Nagoya City Univ, Dept Psychiat & Cognit Behav Med, Grad Sch Med Sci, Mizuho Ku, Kawasumi 1,Mizuho Cho, Nagoya, Aichi, Japan
[6] Seirei Mikatahara Gen Hosp, Palliat Care Team, Dept Palliat & Support Care, Kita Ku, 3453 Mikatahara Cho, Hamamatsu, Shizuoka, Japan
[7] Seirei Mikatahara Gen Hosp, Seirei Hosp, Kita Ku, 3453 Mikatahara Cho, Hamamatsu, Shizuoka, Japan
[8] JORTC Data Ctr, Dept Biostat, Arakawa Ku, KS Bldg 301, Tokyo, Japan
[9] Tohoku Univ, Sch Med, Div Biostat, Aoba Ku, 2-1 Seiryo Cho, Sendai, Miyagi, Japan
[10] Kobe Univ, Dept Palliat Med, Grad Sch Med, 7-5-1 Kusunoki Cho, Kobe, Hyogo, Japan
[11] Natl Canc Ctr Hosp East, Dept Palliat Med, 6-5-1 Kashiwa No Ha, Kashiwa, Chiba, Japan
[12] Tonan Hosp, Dept Psychiat, Chuo Ku, 3-8 Kita 4Jo,Nishi 7Jo, Sapporo, Hokkaido, Japan
[13] Natl Canc Ctr, Dept Psychooncol, Chuo Ku, 5-1-1 Tsukiji, Tokyo, Japan
[14] Saitama Med Univ, Dept Palliat Med, 38 Moroyama Hongo, Iruma, Saitama, Japan