[1] Natl Canc Ctr, Dept Palliat Med, Tokyo, Japan
[2] Aichi Med Univ, Grad Sch Med, Dept Palliat & Support Med, Nagakute, Aichi, Japan
[3] Tokyo Med & Dent Univ, Fac Med, Sch Hlth Care Sci, Tokyo, Japan
[4] Tokyo Kasei Gakuin Univ, Fac Human Nutr, Dept Human Nutr, Tokyo, Japan
[5] Cardiff Univ, Coll Biomed & Life Sci, Sch Healthcare Sci, Cardiff, Wales
[6] Univ Alberta, Cross Canc Inst, Dept Oncol, Div Palliat Care Med, Edmonton, AB, Canada
[7] Seirei Mikatahara Gen Hosp, Palliat & Support Care Div, Hamamatsu, Japan
[8] JORTC Data Ctr, Dept Biostat, Tokyo, Japan
[9] Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Psychiat & Behav Sci, Liaison Psychiat & Psychooncol Unit, Tokyo, Japan
[10] Natl Canc Ctr, Dept Palliat Med, 5-1-1 Tsukiji,Chuo ku, Tokyo 1040045, Japan