| Affiliation: | 1. Department of Gastroenterology, The Second Clinical Medical College, Jinan University, Shenzhen, China;2. Department of Gastroenterology, Changhai Hospital, Second Military Medical University/Naval Medical University, Shanghai, China;3. Division of Digestive Diseases, Emory University School of Medicine, Atlanta, Georgia, USA;4. Digestive Endoscopy Center, Changhai Hospital, Second Military Medical University/Naval Medical University, Shanghai, China;5. National Clinical Research Center of Digestive Diseases, Shanghai, China |
