[1] Samsung Med Ctr, Seoul, South Korea
[2] Natl Canc Ctr, Ctr Lung Canc, Goyang, South Korea
[3] Massachusetts Gen Hosp, Boston, MA 02114 USA
[4] Yonsei Canc Ctr, Med Oncol, Seoul, South Korea
[5] Seoul Natl Univ, Bundang Hosp, Seoul, South Korea
[6] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Oncol, Seoul, South Korea
[7] Natl Cheng Kung Univ Hosp, Tainan, Taiwan
[8] Taipei Vet Gen Hosp, Dept Chest Med, Taipei, Taiwan
[9] Natl Taiwan Univ Hosp, Taipei, Taiwan
[10] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA
[11] Vanderbilt Univ, Med Ctr, Nashville, TN USA
[12] Taipei Med Univ, Shuang Ho Hosp, Taipei, Taiwan
[13] Astrazeneca, Cambridge, England
[14] Astrazeneca, Waltham, MA USA
[15] Astrazeneca, Shanghai, Peoples R China
[16] Dana Farber Canc Inst, Lowe Ctr Thorac Oncol, Boston, MA 02115 USA