1. Pediatric Cardiology, Meyer Children’s University Hospital IRCCS, 50134 Florence, Italy
2. Cardiomyopathy Unit, Careggi University Hospital, 50134 Florence, Italy
3. Local Health Unit, Outpatient Cardiology Clinic, 84131 Salerno, Italy
4. Cardiovascular Department, San Donato Hospital, 52100 Arezzo, Italy
5. Pediatric Cardiology and Adult Congenital Heart Disease Program, Department of Cardio—Thoracic and Vascular Medicine, IRCCS Azienda Ospedaliero—Universitaria di Bologna, 40138 Bologna, Italy