1. Department of Gastroenterology, Wuxi Second Hospital, Nanjing Medical University, Jiangsu, PR China
2. Department of General Surgery, Wuxi Second Hospital, Nanjing Medical University, Jiangsu, PR China
3. Department of General Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, PR China
4. State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, PR China
5. Suzhou Origin Medical Technology Co. Ltd., 2 Haicheng Road, Changshu Economic and Technology Development Zone, Jiangsu, PR China