1. Department of Medicine Yong Loo Lin School of Medicine National University of Singapore and Gleneagles Hospital Singapore City Singapore
2. Faculty of Medicine & Faculty of Health & Behavioural Sciences University of Queensland and Department of Gastroenterology & HepatologyPrincess Alexandra Hospital Woolloongabba Queensland Australia
3. Department of Gastroenterology University Hospitals Leuven Leuven Belgium
4. Division of Gastroenterology and Hepatology Department of Internal Medicine Tokai University School of Medicine Tokyo Japan
5. Gastroenterology Department Wuhan Union Hospital Huazhong Science & Technology University Wuhan China
6. Division of Gastroenterology and Hepatology The First Affiliated Hospital Sun Yat‐sen University Guangzhou China
7. Division of Gastroenterology Wuhan Union Hospital Huazhong Science & Technology University Wuhan China
8. Division of Gastroenterology Department of Internal Medicine, and Department of Medicine College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
9. Independent Researcher Stomach, Liver & Bowel Centre Gleneagles Hospital Singapore City Singapore
10. Xiyuan Hospital China Academy of Chinese Medical Sciences Beijing China