1. Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Li Ka Shing Institute of Health Science, Faculty of Medicine The Chinese University of Hong Kong Hong Kong SAR China
2. Department of Medicine and Therapeutics, Faculty of Medicine The Chinese University of Hong Kong Hong Kong SAR China
3. Shenzhen People's Hospital Shenzhen China
4. Department of Anatomical and Cellular Pathology, Faculty of Medicine The Chinese University of Hong Kong Hong Kong SAR China
5. Department of Anaesthesia and Intensive Care, Faculty of Medicine The Chinese University of Hong Kong Hong Kong SAR China
6. Lee Kong Chian School of Medicine Nanyang Technological University Singapore Singapore
7. Department of Gastroenterology and Hepatology, Tan Tock Seng Hospital National Healthcare Group Singapore Singapore