1. Department of Adult Hematology, King Abdulaziz Medical City, Riyadh, Saudi Arabia
2. Department of Medical Imaging, King Abdulaziz Medical City, Riyadh, Saudi Arabia
3. Department of Medicine, King Abdulaziz Medical City, Riyadh, Saudi Arabia
4. School of Medicine, Cardiff University, Cardiff, Wales, United Kingdom
5. Pathology and Laboratory Medicine, College of Public Health and Medical Information, King Saud bin Abdulaziz University for Health Science, Riyadh, Saudi Arabia
6. Department of Adult Hematology, King Abdulaziz Medical City, Riyadh, Saudi Arabia