[1] Bambino Gesu Pediat Hosp, Dept Pediat Cardiol & Cardiac Surg Heart & Lung T, Heart Failure Heart Transplant Mech Circulatory S, Heart Failure Clin,IRCCS, I-00165 Rome, Italy
[2] Bambino Gesu Pediat Hosp, Dept Pediat Cardiol & Cardiac Surg, Syncope Unit, Pediat Cardiol & Cardiac Arrhythmias,IRCCS, I-00165 Rome, Italy
[3] Bambino Gesu Pediat Hosp, IRCCS, Genet & Rare Dis Res Area, Neuromuscolar Dis, I-00165 Rome, Italy
[4] Fdn Policlin Univ A, Dept Cardiovasc & Thorac Sci, Gemelli IRCCS, I-20097 Rome, Italy