[1]Sichuan Univ, West China Hosp, Dept Thorac Surg, Chengdu 610041, Peoples R China;
[2]Chinese Acad Med Sci, Canc Inst & Hosp, Dept Thorac Surg Oncol, Beijing 100021, Peoples R China;
[3]Peking Union Med Coll, Natl Canc Ctr, Beijing 100021, Peoples R China;
[4]Chinese Acad Med, Peking Union Med Coll Hosp, Dept Thorac Surg, Beijing 100000, Peoples R China;
[5]Guangzhou Med Univ, Affiliated Hosp 1, Dept Thorac Surg, Guangzhou 510000, Guangdong, Peoples R China;
[6]Guangzhou Inst Resp Dis, Guangzhou 510000, Guangdong, Peoples R China;
[7]State Key Lab Resp Dis, Guangzhou 510000, Guangdong, Peoples R China;
[8]Natl Clin Res Ctr Resp Dis, Guangzhou 510000, Guangdong, Peoples R China;
[9]Kunming Med Univ, Dept Thorac & Cardiovasc Surg, Yunnan Tumor Hosp, Affiliated Hosp 3, Kunming 650000, Yunnan, Peoples R China;
[10]Harbin Med Univ, Dept Thorac Surg, Canc Hosp, Harbin 150086, Heilongjiang, Peoples R China;
[11]Zhejiang Canc Hosp, Dept Thorac Surg, Hangzhou 310000, Zhejiang, Peoples R China;
[12]Third Mil Med Univ, Daping Hosp, Dept Thorac Surg, Inst Surg Res, Chongqing 400042, Peoples R China;
[13]Fujian Med Univ, Union Hosp, Dept Thorac Surg, Fuzhou 350001, Fujian, Peoples R China;
[14]Fourth Mil Med Univ, Tangdu Hosp, Dept Thorac Surg, Xian 710000, Shaanxi, Peoples R China;
[15]Xinjiang Med Univ, Affiliated Hosp 1, Dept Thorac Surg, Urumqi 830054, Peoples R China;
[16]Tongji Univ, Shanghai Pulm Hosp, Dept Thorac Surg, Shanghai 210000, Peoples R China;
[17]Nanjing Med Univ, Affiliated Canc Hosp, Dept Thorac Surg, Jiangsu Key Lab Mol & Translat Canc Res,Canc Inst, Nanjing 210009, Peoples R China;
[18]Sun Yat Sen Univ, Ctr Canc, Dept Thorac Surg, Guangzhou 510000, Guangdong, Peoples R China;
[19]Beijing Chao Yang Hosp, Dept Thorac Surg, Beijing 100000, Peoples R China;
[20]Fudan Univ, Shanghai Zhongshan Hosp, Dept Thorac Surg, Shanghai 200000, Peoples R China;
[21]China & Japan Friendship Hosp, Dept Thorac Surg, Beijing 100000, Peoples R China;
[22]Sichuan Univ, Dept Lung Canc Ctr, West China Hosp, Chengdu 610041, Peoples R China;
[23]Huazhong Univ Sci & Technol, Tongji Med Coll, Dept Thorac Surg, Tongii Hosp, Wuhan 430030, Hubei, Peoples R China;
[24]Shandong Univ, Shandong Prov Qianfoshan Hosp, Jinan 250014, Shandong, Peoples R China;
[25]Fudan Univ, Shanghai Canc Ctr, Dept Thorac Surg, Shanghai 200000, Peoples R China;
[26]Shanghai Jiao Tong Univ, Shanghai Chest Hosp, Dept Thorac Surg, Shanghai 200000, Peoples R China;
[27]Tianjin Chest Hosp, Tianjin 300051, Peoples R China;
[28]Henan Canc Hosp, Dept Thorac Surg, Zhengzhou 450000, Peoples R China;
[29]Jilin Univ, Dept Thorac Surg, Hosp 2, Changchun 130000, Jilin, Peoples R China;
[30]Tianjin Med Univ Canc Inst & Hosp, Dept Esophageal Canc, Natl Clin Res Ctr Canc, Key Lab Canc Prevent & Therapy, Tianjin 300060, Peoples R China;
[31]Liaoning Canc Hosp & Inst, Dept Thorac Surg, Shenyang 110000, Liaoning, Peoples R China;
[32]Capital Med Univ, Xuanwu Hosp, Dept Thorac Surg, Beijing 100000, Peoples R China;
[33]Peking Univ, Hosp 3, Dept Thorac Surg, Beijing 100000, Peoples R China;
[34]Jilin Univ, Hosp 2, Dept Thorac Surg, Changchun 130041, Jilin, Peoples R China;
[35]Roswell Pk Canc Inst, Dept Thorac Surg, Buffalo, NY 14263 USA;
[36]Stanford Univ, Med Ctr, Dept Cardiothorac Surg, Stanford, CA 94305 USA;
[37]Asturias Univ Cent Hosp, Dept Thorac Surg, Oviedo, Spain;
[38]Sao Paulo State Univ, Botucatu Sch Med, Thorac Surg Div, Sao Paulo, Brazil;
[39]Guys Hosp, Dept Thorac Surg, London, England;
[40]Odense Univ Hosp, Dept Cardiothorac Surg, Odense, Denmark;
[41]Univ Hosp Bern, Div Thorac Surg, Inselspital, Bern, Switzerland;
[42]Selcuk Univ, Dept Thorac Surg, Fac Med, Konya, Turkey;
[43]Sureyyapasa Training & Res Hosp, Istanbul, Turkey;
[44]Rigshosp, Copenhagen Univ Hosp, Dept Cardiothorac Surg 2152, Copenhagen, Denmark;
[45]Ctr Hosp Victor Dupouy, 69 Rue Lieutenant Colonel Prudhoe, Argenteuil, France;
[46]Hosp Univ Miguel Servet, Dept Thorac Surg, IIS Aragon, Zaragoza, Spain