1 Paediatric Cardiology Unit, AORN Colli, Department of Cardiotoracic Sciences, Università della Campania, Luigi Vanvitelli, Naples, Italy; UCL Institute of Cardiovascular Sciences, University College of London, London, UK. Electronic address: [email protected].
2 Adult Congenital Heart Disease Unit, AORN Colli, Department of Cardiology, Naples, Italy.