1. Faculty of Medicine American University of Beirut Beirut Lebanon
2. Department of Radiation Oncology Mayo Clinic Jacksonville Florida USA
3. Department of Pediatrics and Adolescent Medicine American University of Beirut Medical Center Beirut Lebanon
4. Department of Pediatrics Thrombosis and Atherosclerosis Research Institute McMaster University Hamilton Ontario Canada
5. Clinical Research Institute American University of Beirut Beirut Lebanon
6. Molecular Diagnostics Laboratory, Department of Pathology and Laboratory Medicine American University of Beirut Medical Center Beirut Lebanon