1. Shanghai Key Laboratory of Pancreatic Disease, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
2. Department of Gastroenterology, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, 650 Xinsongjiang Road, Songjiang District, Shanghai 201600, China
3. Department of Nutrition, Shanghai General Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 201600, China
4. Shanghai JiaoTong University School of Medicine, Shanghai 201600, China