[1] Shonankamakura Gen Hosp, Dept Gen Surg, Kamakura, Kanagawa, Japan
[2] Kobe Univ, Grad Sch Med, Dept Med Oncol & Hematol, Kobe, Hyogo, Japan
[3] Yao Tokushukai Hosp, Dept Resp Med & Oncol, Yao, Japan
[4] Ogaki Tokushukai Hosp, Dept Breast Surg, Ogaki, Japan
[5] Tokushukai Informat Syst Inc, Osaka, Japan
[6] Irai Iryo Res Ctr Inc, Kashiwa, Chiba, Japan
[7] deCult Co Ltd, Kurashiki, Okayama, Japan
[8] Gen Inc Assoc Tokushukai, Tokyo, Japan