1. Dermatology Unit University of Campania “L. Vanvitelli” Naples Italy
2. Department of Dermatology University of Modena and Reggio Emilia Modena Italy
3. Department of Dermatology University of Florence Florence Italy
4. Department of Dermatology University of Trieste Trieste Italy
5. Dermatology Unit, Department of Biotechnological and Applied Clinical Sciences University of L'Aquila L'Aquila Italy
6. Dermatology Clinic University of Catania Catania Italy
7. Institute of Dermatology Università Cattolica Rome Italy
8. Fondazione Policlinico Universitario A. Gemelli –IRCCS Rome Italy
9. Unit of Dermatology, Department of Medicine University of Padova Padova Italy
10. Department of Dermatology Spedali Civili Brescia Italy
11. Department of Medical Sciences, Section of Dermatology University of Turin Turin Italy