1 Department of Cardiology, "SS. Annunziata Hospital", ASL 2 Abruzzo, Chieti, Italy; Department of Neuroscience, Imaging and Clinical Sciences, 'G. D'Annunzio' University of Chieti-Pescara, Italy.
2 Department of Cardiac Surgery, University "G. d'Annunzio", Chieti, Italy.
3 Department of Cardiovascular Sciences, University Sapienza, Rome, Italy.