1. Pediatric Cardiology Unit, Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo 12613, Egypt
2. Cardiac Sciences’ Department, Pediatric Cardiology Division, Sheikh Khalifa Medical City, Abu Dhabi 51900, United Arab Emirates
3. Students, Interns and Residents’ Research Program, Faculty of Medicine, Cairo University, Cairo 12613, Egypt
4. Department of Periodontology, Faculty of Dentistry, Galala University, Suez 43511, Egypt
5. International Association of Dental Students, 1216 Geneva, Switzerland
6. Student and Interns’ Research Program, Faculty of Medicine, Ain Shams University, Cairo 11517, Egypt
7. Department of Health Economics, American University in Cairo, Cairo 11835, Egypt
8. Student and Interns’ Research Program, Faculty of Medicine, New Giza University, New Giza 12256, Egypt
9. Department of Paediatrics, Royal Brompton Hospital, London SW3 6NP, UK
10. Hull University Teaching Hospital, Hull HU3 2JZ, UK
11. Residents’ Research Program, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt
12. Department of Cardiology, Faculty of Medicine, Helwan University, Helwan 11795, Egypt