1. Institute of Digestive Disease; The Chinese University of Hong Kong; Hong Kong China
2. Department of Medicine and Therapeutics; The Chinese University of Hong Kong; Hong Kong China
3. Department of Clinical Oncology; The Chinese University of Hong Kong; Hong Kong China
4. Centre for Nutritional Studies; The Chinese University of Hong Kong; Hong Kong China
5. Department of Anatomical and Cellular Pathology; The Chinese University of Hong Kong; Hong Kong China
6. Department of Imaging and Interventional Radiology; The Chinese University of Hong Kong; Hong Kong China