1. Department of Biomedical Science, Faculty of MedicineUniversity of Malaya Kuala Lumpur Malaysia
2. Division of Genetics and Molecular Biology, Institute of Biological Science, Faculty of ScienceUniversity of Malaya Kuala Lumpur Malaysia
3. Division of Gastroenterology and Hepatology, Department of Medicine, Faculty of MedicineUniversity of Malaya Kuala Lumpur Malaysia