[1] Xuzhou Med Univ, Inst Canc, 84 West Huaihai Rd, Xuzhou 221002, Jiangsu, Peoples R China
[2] Xuzhou Med Univ, Jiangsu Ctr Collaborat & Innovat Canc Biotherapy, Xuzhou 221002, Jiangsu, Peoples R China
[3] Xuzhou Med Univ, Ctr Clin Oncol, Affiliated Hosp, Xuzhou 221002, Jiangsu, Peoples R China
[4] Zhejiang Univ, Sch Med, Affiliated Hosp 1, Div Hepatobiliary & Pancreat Surg,Dept Surg, Hangzhou 310003, Zhejiang, Peoples R China
[5] Xuzhou Med Univ, Dept Gastrointestinal Surg, Affiliated Hosp, Xuzhou 221002, Jiangsu, Peoples R China