1. Department of Cardiac Sciences, College of Medicine, King Saud University, Riyadh, Saudi Arabia
2. Department of Cardiac Sciences, Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates
3. Cardiology Department, Royal Hospital, Muscat, Oman
4. Cardiology Department, Saud Al-Babtain Cardiac Center, Dammam, Saudi Arabia
5. Department of Cardiology and Cardiovascular Surgery, Hamad Medical Corporation (HMC), Doha, Qatar
6. Cardiology Department, Mohammed Bin Khalifa Cardiac Center, Manama, Bahrain
7. Department of Medicine, Faculty of Medicine, Sana’a University, Sana’a Yemen
8. Department of Medicine, The Faculty of Medicine & Health Sciences (FMHS), UAE University, Abu Dhabi, United Arab Emirates