[1] Kyushu Univ Hosp, Dept Hematol & Oncol, Fukuoka 812, Japan
[2] Kyushu Univ Hosp, Ctr Clin & Translat Res, Fukuoka 812, Japan
[3] Kyushu Univ Hosp, Dept Res & Dev Next Generat Med, Fac Med Sci, Fukuoka 812, Japan
[4] Japan Community Hlth Care Org Kyushu Hosp, Dept Hematol Oncol, Fukuoka, Japan
[5] Natl Hosp Org Kyushu Canc Ctr, Dept Gastrointestinal & Med Oncol, Fukuoka, Japan
[6] Kyushu Natl Canc Ctr, Dept Gastrointestinal & Med Oncol, Fukuoka, Japan
[7] Natl Hosp Org Kyushu Med Ctr, Dept Med Oncol, Fukuoka, Japan
[8] Hamanomachi Hosp, Dept Med Oncol, Fukuoka, Japan
[9] Kyushu Univ, Fac Med Sci, Dept Comprehens Clin Oncol, Fukuoka 812, Japan