[1] Natl Canc Ctr Hosp East, Dept Expt Therapeut, Kashiwa, Chiba, Japan
[2] Natl Canc Ctr Hosp East, Dept Breast & Med Oncol, Kashiwa, Chiba, Japan
[3] Natl Canc Ctr Hosp East, Dept Gastrointestinal Oncol, Kashiwa, Chiba, Japan
[4] Natl Canc Ctr Hosp East, Thorac Oncol, Kashiwa, Chiba, Japan
[5] Natl Canc Ctr Hosp East, Dept Hepatobiliary & Pancreat Oncol, Kashiwa, Chiba, Japan
[6] Natl Canc Ctr, Dept Hepatobiliary & Pancreat Oncol, Tokyo, Japan
[7] Taiho Pharmaceut Co Ltd, GCMO Off, Tokyo, Japan