General Surgery Department, the Second Affiliated Hospital of Xi'an Jiaotong University in Shaanxi Province, Xi'an, Shaanxi Province, 710004, China;
General Surgery Department, the Second Affiliated Hospital of Xi'an Jiaotong University in Shaanxi Province, Xi'an, Shaanxi Province, 710004, China;
General Surgery Department, the Second Affiliated Hospital of Xi'an Jiaotong University in Shaanxi Province, Xi'an, Shaanxi Province, 710004, China;
General Surgery Department, the Second Affiliated Hospital of Xi'an Jiaotong University in Shaanxi Province, Xi'an, Shaanxi Province, 710004, China;