Affiliation: | 1. Children's Cancer Center of Lebanon, American University of Beirut Medical Center, Beirut, Lebanon;2. Department of Biostatistics, Bioinformatics and Epidemiology, Medical University of South Carolina, Charleston South Carolina;3. Division of Cardiology, Department of Pediatrics, American University of Beirut Medical Center, Beirut, Lebanon;4. Nini Hospital, Tripoli, Lebanon;5. Tyre Hospitals;6. Tyre, Lebanon;7. Hammoud Hospital, Saidon, Lebanon, Lebanon |