1. Center of Fetal Cardiology, IRCCS Policlinico San Donato, San Donato, 20097 Milan, Italy
2. Department of Pediatric and Adult Congenital Cardiology, IRCCS Policlinico San Donato, San Donato, 20097 Milan, Italy
3. Department of Congenital Cardiac Surgery, IRCCS Policlinico San Donato, San Donato, 20097 Milan, Italy