1. Division of Perinatal Cardiology, Department of Medical and Surgical NeonatologyOspedale Pediatrico ‘Bambino Gesù’ Rome Italy
2. Department of Pediatric Cardiology and Cardiac SurgeryOspedale Pediatrico ‘Bambino Gesù’ Rome Italy
3. Department of RadiologyOspedale Pediatrico ‘Bambino Gesù’ Rome Italy
4. Division of Neonatal Surgery, Department of Medical and Surgical NeonatologyOspedale Pediatrico ‘Bambino Gesù’ Rome Italy
5. Cardiac Registry, Departments of Cardiology, Pathology and Cardiac SurgeryBoston Children's Hospital Boston MA USA
6. Department of PediatricsHarvard Medical School Boston MA USA