1 Department of Medicine and Surgery, University of Insubria, Varese, Italy. angeli.internet@gmail.com.
2 Department of Medicine and Cardiopulmonary Rehabilitation, Maugeri Care and Research Institutes, IRCCS Tradate, Varese, Italy. angeli.internet@gmail.com.
3 Department of Obstetrics and Gynecology, San Giovanni Battista Hospital, Foligno, Italy.
4 Fondazione Umbra Cuore e Ipertensione-ONLUS and Division of Cardiology, Hospital S. Maria della Misericordia, Perugia, Italy.