[1] Shanghai Jiao Tong Univ, Shanghai Chest Hosp, Shanghai, Peoples R China
[2] Zhejiang Canc Hosp, Hangzhou, Peoples R China
[3] Dept Med Oncol, Harbin, Peoples R China
[4] Huazhong Univ Sci & Technol, Tongji Med Coll, Union Hosp, Wuhan, Peoples R China
[5] Sichuan Canc Hosp, Chengdu, Peoples R China
[6] Peking Univ Canc Hosp & Inst, Beijing, Peoples R China
[7] Shanghai Roche Pharmaceut Ltd, Shanghai, Peoples R China
[8] Fudan Univ, Shanghai Canc Ctr, Shanghai, Peoples R China