1. Department of Gastroenterology and Hepatology, Changi General Hospital, Singapore Health Services, Singapore;
2. Duke-NUS Academic Medicine Centre, Singapore Health Services, Singapore;
3. Department of Gastroenterology and Hepatology, Singapore General Hospital, Singapore Health Services, Singapore;
4. Division of Gastroenterology and Hepatology, Department of Medicine, National University Hospital, National University Health System, Singapore;
5. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore;
6. Institute of Health Innovation and Technology (iHealthtech), National University of Singapore, Singapore;
7. Department of Gastroenterology and Hepatology, Tan Tock Seng Hospital, National Healthcare Group, Singapore;
8. Department of Pathology, National University Hospital, National University Health System, Singapore;
9. Department of Laboratory Medicine, Changi General Hospital, Singapore Health Services, Singapore;
10. Department of Health Sciences Research, Changi General Hospital, Singapore;
11. Department of Colorectal Surgery, Singapore General Hospital, Singapore Health Services, Singapore;
12. Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore;
13. University Surgical Cluster, National University Hospital, Singapore.