1 Yong Loo Lin School of Medicine, NUHS Tower Block, National University of Singapore, 1E Kent Ridge Road, Level 11, Singapore, 119228, Singapore.
2 Division of Gastroenterology and Hepatology, National University Hospital, Singapore, University Medical Cluster, 5 Lower Kent Ridge Road, Singapore, 119074, Singapore.
3 Yong Loo Lin School of Medicine, NUHS Tower Block, National University of Singapore, 1E Kent Ridge Road, Level 11, Singapore, 119228, Singapore. [email protected].
4 Division of Gastroenterology and Hepatology, National University Hospital, Singapore, University Medical Cluster, 5 Lower Kent Ridge Road, Singapore, 119074, Singapore. [email protected].