1. Division of Cardiology, Nephro-Cardiovascular Department, Baggiovara Hospital, University of Modena and Reggio Emilia, Via P. Giardini 1355, Modena 41126, Italy
2. Division of Cardiology, Nephro-Cardiovascular Department, Policlinic University Hospital of Modena, University of Modena and Reggio Emilia, Largo del Pozzo 71, Modena 41125, Italy