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