1. Pediatric Cardiac Services Department Saud Al‐Babtain Cardiac Centre Dammam Saudi Arabia
2. Cardiac Surgery Department The National Heart institute Cairo Egypt
3. Anesthesia Department, Saud Al‐Babtain Cardiac Centre Dammam Saudi Arabia
4. Anesthesia Department, The National Heart institute Cairo Egypt
5. Department of Global Health, School of Public Health and Community Medicine, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden