1. Department of Gastroenterology, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of medicine, Hangzhou, China
2. Department of Oncology, The Fourth Affiliated Hospital, International Institute of Medicine, Zhejiang University School of Medicine, Hangzhou, China
3. Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Hangzhou, China
4. Key Laboratory of Integrated Traditional Chinese and Western Medicine for Biliary and Pancreatic Diseases of Zhejiang Province, Hangzhou, China
5. Hangzhou Institute of Digestive Diseases, Hangzhou, China