1 Pediatric Cardiology and Adult Congenital Heart Disease Program, Department of Cardio-Thoracic and Vascular Medicine, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Italy.
2 Pediatric Cardiology and Adult Congenital Heart Disease Program, Department of Cardio-Thoracic and Vascular Medicine, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Italy. Electronic address: mariaelisabetta.mariucci@aosp.bo.it.
3 Pediatric Clinic, Pietro Barilla Children's Hospital, University of Parma, Italy.