[1] Nagoya City Univ Hosp, Div Psychooncol & Palliat Care, Nagoya, Aichi, Japan
[2] Nagoya City Univ, Grad Sch Med Sci, Dept Psychiat & Cognit Behav Med, Nagoya, Aichi 4678601, Japan
[3] Juntendo Univ, Fac Med, Div Resp Med, Tokyo, Japan
[4] Juntendo Univ, Grad Sch Med, Tokyo, Japan
[5] Nagoya City Univ, Grad Sch Med Sci, Dept Hematol & Oncol, Nagoya, Aichi 4678601, Japan