1. Department of Hematology King Abdulaziz University Jeddah Saudi Arabia
2. Hematology Research Unit, King Fahd Medical Research Centre King Abdulaziz University Jeddah Saudi Arabia
3. Blood Transfusion Services Unit King Abdulaziz University Hospital Jeddah Saudi Arabia
4. Department of Cardiac Sciences, King Fahad Cardiac Center King Khalid University Hospital, King Saud University Riyadh Kingdom of Saudi Arabia
5. Department of Adult Hematology/Oncology, King Saud University Medical City King Saud University Riyadh Saudi Arabia
6. Hematology and Oncology Division, Department of Medicine King Fahad Armed Forces Hospital Jeddah Saudi Arabia
7. Adult Hematology Department King Fahad Specialist Hospital Dammam Saudi Arabia
8. Department of Pathology and Laboratory Medicine King Fahad Specialist Hospital Dammam Dammam Saudi Arabia
9. Division of Adult Hematology, Department of Oncology, King Abdulaziz Medical City Ministry of National Guard Health Affairs Riyadh Saudi Arabia
10. King Abdullah International Medical Research Center, Saudi Society for Bone Marrow Transplant Ministry of National Guard Health Affairs Riyadh Saudi Arabia
11. Hematology Department King Saud bin Abdulaziz University of Health Sciences Riyadh Saudi Arabia
12. Internal Medicine Department King Khalid University Abha Saudi Arabia
13. Internal Medicine Department Asser Central Hospital Abha Saudi Arabia