1. King Saud Bin Abdulaziz University for Health Science, Jeddah, Saudi Arabia.
2. Department of Cardiology, King Faisal Cardiac Center, Ministry of national Guard Health Affairs, Jeddah, Saudi Arabia.
3. King Abdullah international medical research center Jeddah, Saudi Arabia.
4. Department of Pediatrics, Sidra Heart Center, Sidra Medicine, Doha, Qatar.
5. Weill Cornell Medicine, New York, NY, USA.