1. Department of Pathology and Laboratory Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
2. Center of Excellence in Thrombosis and Hemostasis, King Saud University, Riyadh, Saudi Arabia
3. Pediatric Hematology, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
4. Oncology Center, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
5. Research Center, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
6. Ministry of Education, Riyadh, Saudi Arabia