| Affiliation: | 1. Department of Cardiac Sciences, College of Medicine, King Saud University, Riyadh, Saudi Arabia;2. King Salman Heart Center, King Fahd Medical City, Riyadh, Saudi Arabia;3. Cardiology Department Tanta University, Egypt;4. King Abdulaziz University Hospital, King Abdulaziz University, Jeddah, Saudi Arabia;5. Prince Sultan Cardiac Center, Riyadh, Saudi Arabia;6. Madina Cardiac Center, Al Madina Al Monaoarah, Saudi Arabia;7. King Abdullah Medical City, Cardiac center, Makkah, Saudi Arabia;8. King Fahad General Hospital, Jeddah, Saudi Arabia;9. North West Armed Forces Hospital, Tabuk, Saudi Arabia;10. Armed Forces Hospital Southern Region, Khamis Mushayt, Saudi Arabia;11. National Guard Hospital, Jeddah, Saudi Arabia |
