Affiliation: | Ru Zheng, Bing-Ren Hu, Xiao-Jiao Ruan, Hua-Jie Cai, Department of General Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang Province, ChinaHeng-Liang Zhu, Department of General Surgery, Shenzhen University General Hospital, Shenzhen 518107, Guangdong Province, China |