1. Dermatology Unit, Department of Biotechnological and Applied Clinical Sciences University of L'Aquila L'Aquila Italy
2. Department of Dermatology University of Rome “Tor Vergata” Rome Italy
3. Department of Medicine, Section of Dermatology and Venereology University of Verona Verona Italy
4. UOC di Dermatologia Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy
5. Università Cattolica del Sacro Cuore Rome Italy