1. King Faisal Specialist Hospital and Research Centre, Riyadh, Kingdom of Saudi Arabia
2. Sheikh Kalifa Medical City, Abu Dhabi, United Arab Emirates
3. International Medical Centre, Jeddah, Kingdom of Saudi Arabia
4. Cairo University, Cairo, Egypt
5. King Abdul-Aziz Medical City, Jeddah, Kingdom of Saudi Arabia
6. University of Western Ontario, London, Ontario, Canada
7. University Medical Centre, Rizk Hospital and the Lebanese American University, Beirut, Lebanon
8. Zayed Military Hospital, Abu Dhabi, United Arab Emirates
9. Ain Shams University, Cairo, Egypt