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