1. Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Albany, New York,
2. King Saud University College of Medicine, Department of Medicine, Hematology Oncology Division, Riyadh, Saudi Arabia
3. Abdullah Alsalem Hospital, Kuwait
4. Al Dammam Central Hospital, Dammam, Saudi Arabia
5. Al Qatif Central Hospital, Qatif, Saudi Arabia
6. Alahsa General Hospital, Hofuf, Saudi Arabia
7. King Faisal Specialist Hospital, Riyadh, Saudi Arabia
8. Security Forces Hospital, Riyadh, Saudi Arabia
9. Sultan Qaboos University, Muscat, Oman
10. Madina Maternity and Children's Hospital, Madina, Saudi Arabia
11. College of Medicine King Abdul-Aziz University, Jeddah, Saudi Arabia