1. Azienda Ospedaliera San Camillo-Forlanini , Circonvallazione Gianicolense, 87, 00152 Rome , Italy
2. Clinical Cardiology, IRCCS Policlinico San Donato , Via Morandi 30, San Donato Milanese, 20097 Milan , Italy
3. Department of Preventive Cardiology, Wroclaw Medical University , Wroclaw , Poland