1. Division of Endocrinology, Department of Internal Medicine, American University of Beirut, Beirut, Lebanon
2. Department of Pathology and Laboratory Medicine, American University of Beirut, Beirut, Lebanon
3. Department of Pharmacology, American University of Beirut, Beirut, Lebanon
4. Division of Nephrology, Department of Internal Medicine, American University of Beirut, Beirut, Lebanon
5. Division of Gastroenterology, Department of Internal Medicine, American University of Beirut, Beirut, Lebanon