[1]Shanghai Chest Hosp, Shanghai, Peoples R China;
[2]Shanghai Changzheng Hosp, Shanghai, Peoples R China;
[3]Hunan Tumor Hosp, Changsha, Hunan, Peoples R China;
[4]Shanghai Zhongshan Hosp, Shanghai, Peoples R China;
[5]Chongqing Med Univ, Affiliated Hosp, Chongqing, Peoples R China;
[6]Suzhou Univ, Hosp 2, Jiangsu, Peoples R China;
[7]Daliang Med Univ, Affiliated Hosp 2, Liaoning, Peoples R China;
[8]Zhejiang Univ, Affiliated Hosp, Zhejiang, Peoples R China;
[9]Shanghai First Hosp, Shanghai, Peoples R China