1. Department of Pathology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
2. Department of Clinical Pathology/Hematology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
3. Centre for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
4. Department of Adult Hematology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
5. Department of Pediatric Hematology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
6. Madinah Hereditary Blood Disorders Center, Department of Pediatric Hematology, King Salman Medical City, Madinah, Saudi Arabia
7. Department of Hematology, National Blood Center, Riyadh, Saudi Arabia
8. Department of Medical Genetics, Umm Al-Qura University Faculty of Medicine, Makkah, Saudi Arabia