1 Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", Unit of Pediatric Cardiology, University of Messina, "G. Martino" Policlinic, Italy.
2 Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", Unit of Emergency Pediatrics, University of Messina, "G. Martino" Policlinic, Italy.
3 Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", Unit of Emergency Pediatric, University of Messina, "G. Martino" Policlinic, Italy.
4 Pediatric Clinic, ASST-Spedali Civili of Brescia, University of Brescia, Brescia, Italy.
5 Department of Science of Health, University Magna Graecia of Catanzaro, Pediatric Unit, University of Catanzaro, Italy.
6 Mediterranean Pediatric Cardiology Center, San Vincenzo Hospital, Taormina, Italy.
7 Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", Unit of Pediatric Nephrology and Rheumatology with Dialysis, University of Messina, "G. Martino" Policlinic, Italy.