1 Department of Medicine and Surgery, University of Insubria, Varese, Italy.
2 Fondazione Umbra Cuore e Ipertensione-ONLUS and Division of Cardiology, Hospital S. Maria della Misericordia, Perugia, Italy.
3 Istituti Clinici Scientifici Maugeri IRCCS, Divisions of General Internal Medicine and Cardiac Rehabilitation, Tradate, Italy.
4 Istituti Clinici Scientifici Maugeri IRCCS, Divisions of General Internal Medicine and Cardiac Rehabilitation, Tradate, Italy; Department of Medicine and Technological Innovation (DiMIT), University of Insubria, Varese, Italy. Electronic address: fabio.angeli@uninsubria.it.