1. Department of Cardiac Science, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia
2. King Abdullah International Medical Research Center (KAIMRC), Riyadh, Saudi Arabia
3. King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
4. Department of Pediatric Cardiology, Prince Sultan Cardiac Center, Qassim, Saudi Arabia
5. Department of Pediatric, Faculty of Medicine, Omdurman Islamic University, Sudan
6. Department of Pediatric Cardiology, King Salman Cardiac Center, King Fahad Medical City, Riyadh, Saudi Arabia