[1] Guangxi Univ Chinese Med, Affiliated Hosp 1, Dept Surg, Nanning 530000, Peoples R China
[2] Peoples Hosp Guangxi Zhuang Autonomous Reg, Dept Gastrointestinal Surg, Nanning, Peoples R China
[3] Peoples Hosp Guangxi Zhuang Autonomous Reg, Dept Peripheral Vasc Surg, Nanning, Peoples R China