1. Department of General Surgery, Northern Jiangsu People’s Hospital Affiliated to Medical School of Nanjing University, Yangzhou, China
2. Department of General Surgery, Northern Jiangsu People’s Hospital, Yangzhou, China
3. Yangzhou Key Laboratory of Basic and Clinical Transformation of Digestive and Metabolic Diseases, Yangzhou, China
4. Graduate School, Dalian Medical University, Dalian, China