1. Department of Medicine, Yong Loo Lin School of Medicine National University of Singapore, and The Gastroenterology Group, Gleneagles Hospital Singapore City Singapore
2. School of Medical Sciences Universiti Sains Malaysia Kota Bharu Malaysia
3. GI Function and Motility Unit Hospital Universiti Sains Malaysia Kota Bharu Malaysia
4. Division of Gastroenterology and Hepatology, Department of Internal Medicine Tokai University School of Medicine Isehara Japan
5. Department of Gastroenterology Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow India
6. Faculty of Medicine and Faculty of Health and Behavioural Sciences, Department of Gastroenterology and Hepatology University of Queensland, Princess Alexandra Hospital Woolloongabba Queensland Australia
7. Division of Gastroenterology, Union Hospital of Tongji Medical College Huazhong University of Science and Technology Wuhan China
8. Department of Internal Medicine and Gastroenterology, and CRBA University of Bologna Bologna Italy
9. Division of Gastroenterology and Hepatology The First Affiliated Hospital, Sun Yat‐sen University Guangzhou China
10. Ipoh Gastro Center Ipoh Malaysia
11. Department of Gastroenterology, Central Clinical School Monash University Melbourne Victoria Australia
12. Department of Gastroenterology and Hepatology Yokohama City University School of Medicine Yokohama Japan
13. Krishna Institute of Medical Sciences Secunderabad India
14. Department of Gastroenterology GB Pant Hospital New Delhi India
15. Division of Gastroenterology and Hepatology, University Medicine Cluster, National University Health System; Department of Medicine, Yong Loo Lin School of Medicine National University of Singapore Singapore City Singapore
16. Jichi Medical University Shimotsuke Tochigi Japan
17. Department of Gastroenterology University Hospitals Leuven Leuven Belgium
18. Department of Medicine University of Hong Kong, Queen Mary Hospital Hong Kong SAR China
19. Institute of Gastroenterology Xiyuan Hospital, China Academy of Chinese Medical Sciences Beijing China
20. Anatomical Pathology College of Health, Medicine and Wellbeing University of Newcastle New South Wales Australia
21. Division of Gastroenterology, Department of Internal Medicine, and Department of Medicine, College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
22. Faculty of Medicine Universiti Teknologi MARA Sungai Buloh Malaysia
23. Stomach, Liver and Bowel Centre Gleneagles Hospital Singapore City Singapore