[1] Hosp East, Natl Canc Ctr, Kashiwa, Chiba, Japan
[2] JFCR, Canc Inst Hosp, Tokyo, Japan
[3] Natl Canc Ctr, Tokyo, Japan
[4] Aichi Canc Ctr Hosp, Nagoya, Aichi, Japan
[5] Kyorin Univ, Tokyo, Japan
[6] Saitama Canc Ctr, Saitama, Japan
[7] Eisai & Co Ltd, Tokyo, Japan
[8] Eisai Inc, Woodcliff Lake, NJ USA
[9] Eisai Australia Pty Ltd, Melbourne, Vic, Australia
[10] Kanagawa Canc Ctr Hosp, Yokohama, Kanagawa, Japan