1. Department of Medicine and Therapeutics; The Chinese University of Hong Kong; Sha Tin Hong Kong
2. State Key Laboratory of Digestive Disease; The Chinese University of Hong Kong; Sha Tin Hong Kong
3. Institute of Digestive Disease; The Chinese University of Hong Kong; Sha Tin Hong Kong
4. Centre for Nutritional Studies; The Chinese University of Hong Kong; Sha Tin Hong Kong
5. Department of Imaging and Interventional Radiology; The Chinese University of Hong Kong; Sha Tin Hong Kong
6. Department of Clinical Oncology; Prince of Wales Hospital; Sha Tin Hong Kong