[1] Tianjin Med Univ Canc Inst & Hosp, Dept Endoscopy, Natl Clin Res Ctr Canc, Key Lab Canc Prevent & Therapy, Tianjin, Peoples R China
[2] Tianjin Med Univ, Tianjin, Peoples R China
[3] Cent S Univ, Xiangya Sch Med, Changsha, Hunan, Peoples R China
[4] Erasmus Univ, Rotterdam, Netherlands
[5] Tianjin Med Univ Canc Inst & Hosp, Dept Esophageal Canc, Tianjin, Peoples R China
[6] Cent S Univ, Tumor Hosp, Dept Radiat Oncol, Xiangya Sch Med, Changsha, Hunan, Peoples R China
[7] Tianjin Med Univ Canc Inst & Hosp, Dept Thorac Surg, Tianjin Lung Canc Ctr, Key Lab Canc Prevent & Therapy,Natl Clin Res Ctr, Tianjin, Peoples R China