1. Department of Medicine and Surgery, University of Insubria - Varese and Department of Medicine and Cardiopulmonary Rehabilitation, Maugeri Care and Research Institute, IRCCS, Tradat, Italy
2. Fondazione Umbra Cuore E Ipertensione-ONLUS and Division of Cardiology, Hospital S. Maria Della Misericordia, Perugia, Italy
3. Department of Medicine, and Centro Di Ricerca Clinica E Traslazionale (CERICLET), University of Perugia, Perugia, Italy