1 Department of Cardiovascular Sciences, University Sapienza, Rome, Italy.
2 Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Caserta, Italy; Division of Cardiology, A.O.R.N. "Sant'Anna e San Sebastiano", Caserta, Italy.
3 Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy. Electronic address: giuseppe.ando@unime.it.