Massimo Volpe1,2, Claudio Borghi3. 1. Division of Cardiology, Department of Clinical and Molecular Medicine, Faculty of Medicine and Psychology, University of Rome Sapienza, Sant'Andrea Hospital, Rome, Via di Grottarossa 1035-39, 00189, Rome, Italy. massimo.volpe@uniroma1.it. 2. IRCCS Neuromed, Pozzilli, IS, Italy. massimo.volpe@uniroma1.it. 3. Chair of Internal Medicine, Alma Mater Studiorum University of Bologna, Bologna, Italy.