1. Scholars in Health Research Program; American University of Beirut Medical Center; Beirut Lebanon
2. Vascular Medicine Program; American University of Beirut Medical Center; Beirut Lebanon
3. Calcium Metabolism and Osteoporosis Program & WHO Collaborating Center for Metabolic Bone Disorder; Division of Endocrinology; Department of Internal Medicine; American University of Beirut Medical Center; Beirut Lebanon
4. Department of Pediatrics and Adolescent Medicine; American University of Beirut Medical Center; Beirut Lebanon