1 Department of Dermatology and Venereology, "Maggiore della Carità" Hospital, University of Eastern Piedmont, Novara, Italy.
2 Department of Dermatology and Venereology, "Maggiore della Carità" Hospital, University of Eastern Piedmont, Novara, Italy - bennymiglino@libero.it.
3 Department of Medical Sciences, "Maggiore della Carità" Hospital, University of Eastern Piedmont, Novara, Italy.