1. Division of Gastroenterology and Hepatology, Department of Medicine and Therapeutics Prince of Wales Hospital Hong Kong SAR China
2. Institute of Digestive Disease, State Key Laboratory of Digestive Disease The Chinese University of Hong Kong Hong Kong SAR China
3. Lee Kong Chian School of Medicine Nanyang Technological University Singapore Singapore
4. Department of Gastroenterology St Vincent's Hospital Melbourne Melbourne Victoria Australia
5. Department of Medicine The University of Melbourne Melbourne Victoria Australia
6. Cancer Screening Center/Endoscopy Division, National Cancer Center Hospital Tokyo Japan
7. Division of Screening Technology National Cancer Center Institute for Cancer Control Tokyo Japan
8. Changi General Hospital SingHealth Group Singapore Singapore
9. Department of Gastroenterology and Hepatology National University Hospital Singapore Singapore
10. Department of Medicine, Yong Loo Lin School of Medicine National University Singapore Singapore Singapore
11. Department of Internal Medicine National Taiwan University Hospital Taipei Taiwan
12. Department of Internal Medicine, College of Medicine National Taiwan University Taipei Taiwan