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 Department of Medicine and Surgery, University of Insubria, Varese, Italy; Department of Medicine and Cardiopulmonary Rehabilitation, Maugeri Care and Research Institute, IRCCS Tradate, Italy.
4 Department of Medicine and Surgery, University of Insubria, Varese, Italy; Department of Medicine and Cardiopulmonary Rehabilitation, Maugeri Care and Research Institute, IRCCS Tradate, Italy. Electronic address: angeli.internet@gmail.com.