1. Department of Hepatobiliary Surgery The First Affiliated Hospital of Guangxi Medical University Nanning Guangxi Zhuang Autonomous Region People's Republic of China
2. Department of Hepatobiliary Surgery The Third Affiliated Hospital of Guangxi Medical University Nanning Guangxi Zhuang Autonomous Region People's Republic of China
3. Department of Colorectal and Anal Surgery The First Affiliated Hospital of Guangxi Medical University Nanning Guangxi Zhuang Autonomous Region People's Republic of China