1. Department of Cardiology, Royal Hospital, Muscat, Oman,
2. Department of Cardiology, Royal Hospital, Muscat, Oman
3. Department of Pharmacology & Clinical Pharmacy, College of Medicine & Health Sciences, Sultan Qaboos University, Muscat, Oman, Gulf Health Research, Muscat, Oman
4. Department of Medicine, Kuwait University, Kuwait
5. Department of Medicine, Mubarak Al-Kabeer Hospital, Kuwait
6. Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates
7. Department of Non-Communicable Diseases Control, Ministry of Health, Muscat, Oman
8. Department of Medicine, Sana'a University, Sana'a, Yemen
9. Mohammed Bin Khalifa Cardiac Center, Manama, Bahrain
10. Hamad Medical Corporation, Doha, Qatar
11. King Fahad Cardiac Centre, Riyadh, Kingdom of Saudi Arabia