1. Department of Cardiology, King Faisal Cardiac Center, Ministry of National Guard Health Affair , Jeddah, Saudi Arabia
2. Medical Research Department, King Abdullah International Medical Research Center , Jeddah, Saudi Arabia
3. Medical Research Department, King Saud Bin Abdulaziz University for Health Science , Jeddah, Saudi Arabia
4. Sidra Heart Center, Sidra Medicine , Doha, Qatar
5. Medical Research Department, Weill Cornell Medicine , New York, NY, USA