1. Department of Pathology and Laboratory Medicine, American University of Beirut Medical Center, Beirut, Lebanon
2. Faculty of Medicine, American University of Beirut, Beirut, Lebanon
3. Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
4. Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, American University of Beirut Medical Center, Beirut, Lebanon