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