1. Unit of Dermatology; Department of Medical Sciences; University of Trieste; Trieste Italy
2. Department of Clinical and Experimental Pathology and Medicine; DISM; Institute of Dermatology; University of Udine; Udine Italy
3. Unit of Dermatology; Azienda Ospedaliero-Universitaria Ospedali Riuniti di Trieste; Ospedale Maggiore; Trieste Italy