Corresponding Author

College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia

Department of Pediatric Hematology/Oncology, King Abdullah Specialist Children's Hospital, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia

King Abdullah International Medical Research Center, National Guard Health Affairs, Riyadh, Saudi Arabia

Correspondence

Mohammed F. Essa, Department of Pediatric Hematology/Oncology, King Abdullah Specialist Children's Hospital, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia.

Email: essamo@ngha.med.sa