1. Department of Gastroenterology Shanghai General Hospital of Nanjing Medical University Shanghai China
2. Department of Gastroenterology The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University Huai'an China
3. Department of Gastroenterology, Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
4. Shanghai Key Laboratory of Pancreatic Diseases Shanghai Jiao Tong University School of Medicine Shanghai China
5. Department of Oncology, Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
6. Continent Pharmaceuticals Co., Ltd Beijing China