1. King Faisal Specialist Hospital and Research Centre Riyadh Saudi Arabia
2. Al Faisal University Riyadh Saudi Arabia
3. Princess Noorah Oncology Center King Abdulaziz Medical City, Ministry of National Guard Health Affairs Jeddah Saudi Arabia
4. Abu Dhabi Stem Cells Center Abu Dhabi UAE
5. King Abdullah Medical City Makkah Saudi Arabia
6. Department of Hematology Kuwait Cancer Control Center Kuwait City Kuwait
7. Department of Hematology, College of Medicine and Health Sciences Sultan Qaboos University Muscat Oman
8. King Faisal Specialist Hospital and Research Centre Madinah Saudi Arabia
9. Department of Medicine, College of Medicine King Saud University Riyadh Saudi Arabia
10. National Center for Cancer Care and Research Hamad Medical Cooperation Doha Qatar
11. King Fahad Medical City Department of Adult Hematology and BMT
12. King Abdulaziz‐Medical City Riyadh Saudi Arabia