[1] Kurashiki Cent Hosp, Dept Clin Psychol, Kurashiki, Japan
[2] Musashi Univ, Student Serv Ctr, Nerima Ku, Nerima, Japan
[3] Tokai Univ, Dept Psychiat, Sch Med, 143 Shimokasuya, Isehara 2591193, Japan
[4] Hiroshima Univ Hosp, Div Clin Res Ctr Hiroshima, Minami Ku, Hiroshima, Japan
[5] Tokai Univ, Dept Palliat Care, Sch Med, Isehara, Japan
[6] Tokai Univ, Dept Hematol, Sch Med, Isehara, Japan
[7] Kurashiki Cent Hosp, Dept Hematol Oncol, Kurashiki, Japan