1. Department of Anatomical and Cellular Pathology; The Chinese University of Hong Kong; Hong Kong
2. Li Ka Shing Institute of Health Science, Sir Y. K. Pao Cancer Center; The Chinese University of Hong Kong; Hong Kong
3. Department of Medicine and Therapeutics; The Chinese University of Hong Kong; Hong Kong
4. Institute of Digestive Disease, Partner State Key Laboratory of Digestive Disease; The Chinese University of Hong Kong; Hong Kong
5. State Key Laboratory of Digestive Disease; The Chinese University of Hong Kong; Hong Kong