1. Gastroenterology and Liver Services, Concord Repatriation General Hospital, Concord NSW, Australia.
2. Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, Li Ka Shing Institute of Health Science, Hong Kong, China.
3. Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka.
4. The First Affiliated Hospital of Sun Yat Sen University, Guangzhou, China.
5. Xijing Hospital, Fourth Military Medical University, Xian, China.
6. King Chulalongkorn Memorial Hospital, Bangkok, Thailand.
7. Hospital Conde S Januario, Macau, China.
8. National University Hospital of Singapore, Singapore.
9. West China Hospital, Sichuan University, Chengdu, China.
10. University of Malaya Medical Center, Kuala Lumpur, Malaysia.
11. University of Indonesia, Indonesia.
12. Maharaj Nakorn Chiangmai Hospital, Chiangmai, Thailand.