[1] Al Amiri Hosp, Sabah Al Ahmad Cardiac Ctr, Cardiol, Kuwait, Kuwait
[2] Kuwait Tech Coll, Stat, Kuwait, Kuwait
[3] Adan Hosp, Cardiol, Kuwait, Kuwait
[4] Sultan Qaboos Univ, Dept Pharmacol & Clin Pharm, Coll Med & Hlth Sci, Muscat, Oman
[5] Royal Hosp, Cardiol, Muscat, Oman
[6] Hamad Gen Hosp, Cardiol, Doha, Qatar
[7] King Fahad Cardiac Ctr, Cardiol, Riyadh, Saudi Arabia
[8] Sheikh Khalifa Med City, Cardiol, Abu Dhabi, U Arab Emirates
[9] Dubai Hosp, Dubai, U Arab Emirates
[10] Rashid Hosp, Cardiol, Dubai, U Arab Emirates
[11] Sanaa Univ, Internal Med, Sanaa, Yemen
[12] Mohammed Bin Khalifa Cardiac Ctr, Cardiol, Bahrain, Bahrain