1. Division of Hematopathology, Department of Pathology and Laboratory Medicine, King Abdul Aziz Medical City, Riyadh, KSA
2. King Abdullah International Medical Research Center, Riyadh, KSA
3. Division of Molecular Pathology, Department of Pathology and Laboratory Medicine, King Abdul Aziz Medical City, Riyadh, KSA
4. Division of Hematology and HSCT, Department of Oncology, King Abdul Aziz Medical City, Riyadh, KSA
5. King Saud bin Abdulaziz University for Health Sciences, Riyadh, KSA