[1] Natl Canc Ctr Hosp East, Dept Thorac Oncol, Kashiwa, Japan
[2] Univ Ulsan, Oncol Dept, Coll Med, Asan Med Ctr, Seoul, South Korea
[3] Okayama Univ Hosp, Ctr Clin Oncol, Okayama, Japan
[4] Natl Canc Ctr, Dept Thorac Oncol, Tokyo, Japan
[5] Sungkyunkwan Univ, Dept Hematol & Oncol, Sch Med, Samsung Med Ctr, Seoul, South Korea
[6] Gustave Roussy, Dept Med Oncol, Villejuif, France
[7] Seoul Natl Univ Hosp, Seoul Natl Univ Coll Med, Dept Internal Med, Seoul, South Korea
[8] Natl Taiwan Univ Hosp, Dept Med Oncol, Taipei City, Taiwan
[9] Taichung Vet Gen Hosp, Chest Div Internal Med, Taichung, Taiwan
[10] Daiichi Sankyo Inc, Oncol R&D, Basking Ridge, NJ USA
[11] Daiichi Sankyo Inc, R&D, Basking Ridge, NJ USA
[12] Daiichi Sankyo Inc, Clin Safety & Pharmacovigilance, Basking Ridge, NJ USA
[13] Daiichi Sankyo Inc, BDM, Basking Ridge, NJ USA
[14] Dana Farber Canc Inst, Med Oncol, Boston, MA USA