title: Reply to the editor.
authors.affiliation: Department of Pediatric Cardiac Surgery, Ospedale Pediatrico Bambino Ges, Rome, Italy.
authors.forename: Gianluca
authors.initials: G
authors.lastname: Brancaccio
authors.affiliation: Department of Pediatric Cardiac Surgery, Ospedale Pediatrico Bambino Ges, Rome, Italy.
authors.forename: Fabrizio
authors.initials: F
authors.lastname: Gandolfo
authors.affiliation: Department of Pediatric Cardiac Surgery, Ospedale Pediatrico Bambino Ges, Rome, Italy.
authors.forename: Adriano
authors.initials: A
authors.lastname: Carotti
mesh_terms: D001021:Aortic Valve / Q000601:surgery*; D019917:Blood Vessel Prosthesis Implantation / Q000379:methods*; D005260:Female; D006349:Heart Valve Diseases / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008297:Male; D011651:Pulmonary Artery / Q000637:transplantation*; D011664:Pulmonary Valve / Q000637:transplantation*