1. Department of Gastroenterology, Peking Union Medical College Hospital Chinese Academy of Medical Sciences, Peking Union Medical College Beijing China
2. Department of Gastroenterology, Fujian Provincial Hospital Shengli Clinical Medical College of Fujian Medical University Fuzhou Fujian Province China
3. Department of Gastroenterology, Beijing Friendship Hospital Capital Medical University Beijing China
4. Department of Gastroenterology, Tongji Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei Province China
5. Department of Gastroenterology, Union Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei Province China
6. Janssen China R&D Shanghai China
7. OTC Medical Affairs, Xi'an Janssen Pharmaceutical Ltd Beijing China