1. Department of Surgery and Translational Medicine Section of Dermatology University of Florence Florence Italy
2. Institute of Clinical Physiology National Research Council Pisa Italy
3. Dipartimento di Fisiopatologia Medico‐Chirurgica e dei Trapianti UOC Dermatologia IRCCS Fondazione Ca’ Granda Ospedale Maggiore Policlinico Università degli Studi di Milano Milan Italy
4. IRCCS‐AOU San Martino‐IST, Dissal, Section of Dermatology University of Genoa Genoa Italy
5. Department of Medical Sciences Dermatologic Clinic University of Turin Turin Italy
6. Dermology Division Department of Experimental, Diagnostic and Specialty Medicine University of Bologna Bologna Italy
7. Rheumatology Unit S. Giovanni di Dio Hospital Florence Italy
8. Dermatology Department Policlinico Universitario ‘A. Gemelli’ Università Cattolica del Sacro Cuore Rome Italy
9. Department of Surgical and Biomedical Sciences Dermatologic Clinic of Terni University of Perugia Perugia Italy