Affiliation: | 1. Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia;2. Department of Paediatrics, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia;3. Division of Gastroenterology and Hepatology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia |