1 Cardiology Unit, IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy.
2 Department of Cardiology, "SS.Annunziata Hospital", ASL 2 Abruzzo, Chieti, Italy; Department of Neuroscience, Imaging, and Clinical Sciences, University of Chieti-Pescara, Italy. Electronic address: m.zimarino@unich.it.