1. Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
2. School of Medicine, Southeast University, Nanjing, China, Nanjing, China
3. School of Medicine, Anhui University of Science and Technology, Huainan, China
4. Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, China