1. Department of Pancreatic Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Cancer Tianjin's Clinical Research Center For Cancer Tianjin China
2. Department of Gastrointestinal Oncology The First Affiliated Hospital of Hainan Medical University Haikou Hainan Province China
3. Department of Hepatobiliary Surgery Tongliao City Hospital Tongliao Inner Mongolia China
4. Department of Gastrointestinal Pancreatic Surgery Shanxi Provincial People's Hospital Taiyuan Shanxi Province China
5. The Second School of Clinical Medicine Southern Medical University Guangzhou China