1. Xijing Hospital of the Fourth Military Medical University, Xi'an, China.
2. Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.
3. The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
4. The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
5. Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.
6. The Military General Hospital of Beijing, PLA, Beijing, China.
7. St. Vincent's Hospital and University of Melbourne, Melbourne, Australia.
8. Imperial College, London, UK.
9. Translational Gastroenterology Unit, Oxford, UK.
10. AbbVie, North Chicago, Illinois, USA.