1. Heart Hospital, Hamad Medical Corporation, Doha, Qatar
2. National Heart Center, Royal Hospital, Muscat, Oman
3. Department of Cardiac Sciences, King Fahad Cardiac Center, King Saud University, Riyadh, Saudi Arabia
4. College of Medicine Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
5. Department of Cardiology, Sabah Al-Ahmed Cardiac Center, Kuwait City, Kuwait
6. Department of Medicine, Al-Amiri Hospital, Kuwait City, Kuwait
7. Heart and Vascular Institute, Cleveland Clinic, Abu Dhabi, United Arab Emirates
8. Department of Cardiology, Adan Hospital, Kuwait City, Kuwait
9. Department of Cardiology, Dubai Hospital, Dubai, United Arab Emirates
10. Department of Cardiology, Mohammed Bin Khalifa Cardiac Center, Manamah, Bahrain
11. Department of Cardiology, Faculty of Medicine, Sana’a University, Sana’a, Yemen
12. Biostatistics, Epidemiology and BioMathematical Research Core, Doha, Qatar