1. Department of Gastrointestinal Gland Surgery, the First Affiliated Hospital of Guangxi Medical University, Guangxi Medical University, Nanning, Guangxi, China
2. Guangxi Key Laboratory of Enhanced Recovery after Surgery for Gastrointestinal Cancer, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
3. Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China