Interventional Cardiology Unit, Mediterranea Cardiocentro, Naples, Italy. Electronic address: carlobriguori@clinicamediterranea.it. Interventional Cardiology Unit, Mediterranea Cardiocentro, Naples, Italy. Interventional Cardiology Unit, Policlinico di Bari, Bari, Italy. Department of Advanced Biomedical Science, Division of Cardiology, "Federico II" University of Naples, Naples, Italy. Interventional Cardiology Unit, Istituto di Ricerca a Carattere Scientifico Multimedica MultiMedica, Sesto San Giovanni, Milan, Italy. Department of Mental Health and Preventive Medicine, Second University of Naples, Naples, Italy.