title: Reply.
authors: Chair of Cardiology, Second University of Naples, Monaldi Hospital-AORN Ospedali dei Colli, Naples, Italy.
authors: Antonello
authors: A
authors: D'Andrea
authors: Chair of Cardiology, Second University of Naples, Monaldi Hospital-AORN Ospedali dei Colli, Naples, Italy.
authors: Michele
authors: M
authors: D'Alto
authors: Division of Pneumology, Second University of Naples, Monaldi Hospital-AORN Ospedali dei Colli - Piazzale E. Ruggieri, Naples, Italy.
authors: Giuseppe
authors: G
authors: Fiorentino
authors: Department of Cardiology and Cardiac Surgery, University Hospital San Giovanni di Dio e Ruggi d'Aragona, Salerno, Italy.
authors: Eduardo
authors: E
authors: Bossone