1. School of Medicine, Anhui University of Science and Technology, Huainan 232000, China
2. School of Stomatology, Anhui Medical College, Hefei 230601, China
3. Department of Biliary Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
4. Shanghai Engineering Research Center of Biliary Tract Minimal Invasive Surgery and Materials, Shanghai 200032, China
5. Department of General Surgery, Shanghai Xuhui Central Hospital, Shanghai 200031, China
6. State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
7. Department of Hepatopancreatobiliary Surgery, Huainan Xinhua Hospital Affiliated to Anhui University of Science and Technology, Huainan 232000, China