1. Department of General Surgery and Laboratory of General Surgery, Xinhua HospitalShanghai Jiao Tong University School of Medicine Shanghai China
2. Shanghai Key Laboratory of Biliary Tract Disease Research, Xinhua HospitalShanghai Jiao Tong University School of Medicine Shanghai China
3. Shanghai Research Center of Biliary Tract Disease, Xinhua HospitalShanghai Jiao Tong University School of Medicine Shanghai China
4. Department of General Surgery and Laboratory of General SurgeryXinhua Hospital, Shanghai Jiao Tong University School of Medicine 1665 Kongjiang Road Shanghai 200092 China
5. Emergency Unit, The First Affiliated HospitalNanchang University Nanchang China
6. Department of Biliary‐Pancreatic SurgeryRenji Hospital, School of Medicine, Shanghai Jiao Tong University 160 Pujian Road Shanghai 200127 China