1Department of the Blood Bank, King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
2Department of Laboratory and Bloo Bank, King Fahad Central Hospital, Ministry of Health, Jazan, Saudi Arabia
3Medical student, King Saud University, College of Medicine, Riyadh, Saudi Arabia
4Pediatric Hematology/Oncology, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
5Department of Medicine, Sheikh Shakbout Medical City, Abu Dhabi, United Arab Emirates
6Department of Pediatrics, Jordan University of Science and Technology, Irbid, Jordan