1. Department of General Surgery; Taizhou People's Hospital; Taizhou Clinical Medical College of Nanjing Medical University; Taizhou 225300 Jiangsu Province China
2. Department of General Surgery; The First Affiliated Hospital of Soochow University; Suzhou 215000 Jiangsu Province China
3. Model Animal Research Center of Nanjing University; Nanjing 210089 Jiangsu Province China
4. Department of Colorectal Surgery; The First Affiliated Hospital of Nanjing Medical University; Nanjing 210029 Jiangsu China