1. Department of Cardiology; Royal Hospital; Muscat Oman
2. Department of Pharmacology & Clinical Pharmacy, College of Medicine & Health Sciences; Sultan Qaboos University & Gulf Health Research; Muscat Oman
3. Institute of Cardiac Sciences; Sheikh Khalifa Medical City, Abu Dhabi United Arab Emirates
4. Institute for Clinical Research and Health Policy Studies; Tufts Medical Center and Tufts University School of Medicine; Boston MA USA
5. Department of Cardiac Sciences, King Fahad Cardiac Center; King Saud University; Riyadh Saudi Arabia
6. Adult Cardiology; Hamad Medical Corporation and Qatar Cardiovascular Research Center; Doha Qatar
7. Heart and Vascular Institute; Cleveland Clinic Abu Dhabi United Arab Emirates
8. Department of Adult Cardiology, King Salman Heart Center; King Fahad Medical City, Riyadh Saudi Arabia
9. Cardiology Department; Tanta University; Egypt
10. Internal Medicine Department, Faculty of Medicine; Sana'a University; Sana'a Yemen
11. Division of Cardiology; Al-Dabous Cardiac Centre, Al Adan Hospital; Kuwait
12. Department of Cardiology; Sabah Al Ahmed Cardiac Center; Kuwait
13. Department of Cardiology, Dubai Hospital; Dubai United Arab Emirates
14. Mohammed Bin Khalifa Cardiac Centre; Bahrain