1. Cardiomyopathy Unit, Careggi University Hospital, Florence, Italy
2. Department of Clinical and Experimental Medicine, University of Florence, Florence, Italy
3. Department of Pediatric Cardiology, Meyer Children’s Hospital, Florence, Italy
4. Cytogenetic and Genetic Unit, Careggi University Hospital, Florence, Italy
5. Department of Diagnostic Radiology 2, Careggi University Hospital, Florence, Italy
6. Department of Statistics, Informatics and Application (DiSia), University of Florence, Florence, Italy
7. Department of Pathology, Sant'Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
8. Arcard Foundation, Florence, Italy