1. Sports Medicine Unit, Bambino Gesù Children’s Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, 00165 Rome, Italy
2. Public Health Department, University of Naples Federico II, 80131 Naples, Italy
3. Division of Nephrology, Dialysis and Transplantation, Bambino Gesù Children’s Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, 00165 Rome, Italy
4. Division of Hepato-Bilio-Pancreatic Surgery, Liver and Kidney Transplantation, Bambino Gesù Children’s Hospital, ERN Transplant Child, Istituto di Ricovero e Cura a Carattere Scientifico, 00165 Rome, Italy
5. Paediatric Cardiology and Cardiac Arrhythmias Unit, Bambino Gesù Children’s Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, 00165 Rome, Italy