1. Cardiology Division, Department of Diagnostics, Clinical and Public Health Medicine, University of Modena and Reggio Emilia, Policlinico di Modena, Via del Pozzo, 71, Modena, Italy
2. Managing Direction Department, University Hospital Schleswig-Holstein, Lübeck, Germany
3. Department of Experimental, Diagnostic and Specialty Medicine, Institute of Cardiology, University of Bologna, Policlinico S.Orsola-Malpighi, Bologna, Italy