[1] Gunma Prefectural Canc Ctr, Patient Support Ctr, 617-1 Takahayashi Nishimachi, Ota, Gunma, Japan
[2] Gunma Prefectural Canc Ctr, Dept Psychooncol, Ota, Gunma, Japan
[3] Tohoku Univ, Tohoku Med Megabank Org, Dept Prevent Med & Epidemiol, Div Personalized Prevent & Epidemiol, Sendai, Miyagi, Japan
[4] Tohoku Univ, Grad Sch Med, Dept Behav Med, Sendai, Miyagi, Japan
[5] Gunma Prefectural Canc Ctr, Dept Urol, Ota, Gunma, Japan
[6] Annaka Hlth & Welf Off, Gunma, Japan
[7] Gunma Univ, Grad Sch Med, Dept Urol, Maebashi, Gunma, Japan
[8] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Hematol Oncol Div, Boston, MA USA