1. Department of Pediatrics, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
2. Pediatric Cardiology Department, “Marie Skolodowska Curie” Emergency Children’s Hospital, 041451 Bucharest, Romania
3. Department of Pediatric and Adult Congenital Cardiology, University Hospital of Bordeaux, F-33600 Bordeaux, France
4. Cardio-Thoracic Department, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
5. Cardiology Department, “Prof. Dr. Bagdasar Arseni” Clinical Hospital, 041915 Bucharest, Romania
6. “Dr. Carol Davila” Central Emergency University Military Hospital, 010825 Bucharest, Romania
7. Department 3, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
8. Emergency Clinical Hospital, 014461 Bucharest, Romania