1 Centro Cardiologico Universitario di Ferrara, University of Ferrara, Italy; Maria Cecilia Hospital, GVM Care & Research, Cotignola, RA, Italy. Electronic address: fri@unife.it.
2 Division of Cardiology, Maggiore Hospital, Bologna, Italy.
3 Centro Cardiologico Universitario di Ferrara, University of Ferrara, Italy; Maria Cecilia Hospital, GVM Care & Research, Cotignola, RA, Italy.