[1] Dana Farber Canc Inst, Boston, MA 02115 USA
[2] Natl Canc Ctr, Tokyo, Japan
[3] Canc Inst Hosp Japanese Fdn Canc Res, Tokyo, Japan
[4] Saitama Canc Ctr, Saitama, Japan
[5] Osaka Int Canc Inst, Osaka, Japan
[6] Aichi Canc Ctr Hosp, Nagoya, Aichi, Japan
[7] Nagoya City Univ, Nagoya, Aichi, Japan
[8] Kumamoto Univ Hosp, Kumamoto, Japan
[9] Natl Hosp Org Hokkaido Canc Ctr, Sapporo, Hokkaido, Japan
[10] Saitama Med Univ Int Med Ctr, Hidaka, Japan
[11] Fukushima Med Univ Hosp, Fukushima, Japan
[12] Hakuaikai Social Med Corp Sagara Hosp, Kagoshima, Japan
[13] Bayero Univ, US Oncol, Texas Oncol, Med Ctr, Dallas, TX USA
[14] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA
[15] Daiichi Sankyo Co Ltd, Tokyo, Japan
[16] Daiichi Sankyo Co Ltd, Basking Ridge, NJ USA
[17] Natl Hosp Org Osaka Natl Hosp, Osaka, Japan