[1] Univ Cattolica Sacro Cuore, IRCCS, Fdn Policlin Univ A Gemelli, Intens Cardiac Care Unit,Dept Cardiovasc Med, Largo A Gemelli 8, I-00168 Rome, Italy
[2] Univ Genoa, Dept Internal Med & Med Specialties DIMI, Genoa, Italy
[3] IRCCS, Osped Policlin San Martino, Cardiothorac & Vasc Dept DICATOV, Intervent Cardiol Unit, Genoa, Italy