1. Department of Gastroenterology and Hepatology; Singapore General Hospital; Singapore
2. Department of Gastroenterology and Human Nutrition; All India Institute of Medical Sciences; New Delhi India
3. Division of Gastroenterology and Hepatology; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
4. Monash University Department of Medicine; Box Hill Hospital; Melbourne Victoria Australia
5. Department of Gastroenterology; Changi General Hospital; Singapore
6. Department of Gastroenterology; Tan Tock Seng Hospital; Singapore
7. Department of Internal Medicine; National Taiwan University; Taipei Taiwan
8. Department of Medicine; University of Hong Kong; Hong Kong
9. Department of Colorectal Surgery; Singapore General Hospital; Singapore
10. Department of Medicine; University of Otago; Christchurch New Zealand
11. Division of Gastroenterology; Department of Internal Medicine; West China Hospital; Sichuan University; Chengdu China
12. Department of Medicine; University of Santo Tomas; Manila Philippines
13. Department of Medicine; Division of Gastroenterology; Siriraj Hospital; Mahidol University; Bangkok Thailand
14. Department of Medicine; Faculty of Medicine; University of Kelaniya; Colombo Sri Lanka
15. Division of Gastroenterology; Department of Medicine; King Chulalongkorn Memorial Hospital; Chulalongkorn University; Bangkok Thailand
16. Division of Gastroenterology; Department of Internal Medicine; Faculty of Medicine; Chiang Mai University; Chiang Mai Thailand
17. Hospital Sultanah Bahiyah; Alor Setar Malaysia
18. Department of Medicine and Therapeutics; Chinese University of Hong Kong; Hong Kong
19. Kitasato University; Tokyo Japan
20. Department of Paediatrics; University of Malaya; Kuala Lumpur Malaysia
21. Gastroenterology and Liver Services; Concord Hospital; Sydney New South Wales Australia