1 Department of Pediatric and Congenital Cardiology and Cardiac Surgery, Azienda Ospedaliero Universitaria "Ospedali Riuniti", Ancona, Italy. Electronic address: francesco.bianco@ospedaliriuniti.marche.it.
2 Department of Pediatric and Congenital Cardiology and Cardiac Surgery, Azienda Ospedaliero Universitaria "Ospedali Riuniti", Ancona, Italy.
3 Libera Università Mediterranea (LUM) "Giuseppe Degennaro", Casamassima, Bari, Italy.