| Affiliation: | 1. Department of Gastroenterology, Changhai Hospital, The Second Military Medical University, Shanghai, China;2. Digestive Endoscopy Center, Changhai Hospital, The Second Military Medical University, Shanghai, China;3. Department of Surgery, Jinling Hospital, Nanjing, China;4. Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing, China;5. Department of Gastroenterology, Air Force General Hospital, Beijing, China;6. Department of Traditional Chinese Medicine, Jiangdu Hospital, Yangzhou, China |
