1. Department of Medicine; Section of Dermatology and Venereology; University of Verona; Verona Italy
2. Department of Dermatology and Venereology; I.R.C.C.S. Istituto Ortopedico Galeazzi; University of Milan; Milano Italy
3. Department of Dermatology; University of Naples Federico II; Napoli Italy
4. Division of Dermatology; Department of Experimental, Diagnostic and Specialty Medicine; University of Bologna; Bologna Italy
5. Department of Dermatology; University of Rome Tor Vergata; Rome Italy
6. Department of Dermatology; University of Pisa; Pisa Italy
7. Department of Dermatology; Humanitas Research Hospital; Rozzano Italy
8. Department of Dermatology; University of Modena and Reggio Emilia; Modena Italy
9. Department of Biomedical Science and Human Oncology; Second Dermatologic Clinic; University of Turin; Turin Italy
10. Department of Dermatology; Catholic University of the Sacred Heart; Rome Italy
11. Department of Biomedical Science and Human Oncology; Section of Dermatology; University of Bari; Bari Italy
12. Department of Dermatology; Azienda Ospedaliera Papa Giovanni XXIII; Bergamo Italy
13. Department of Clinical and Molecular Sciences; Dermatology Unit; Polytechnic Marche University; Ancona Italy
14. Department of Dermatology; University of Genoa; Genova Italy
15. Department of Dermatology; University of Padua; Padova Italy
16. Department of Dermatology; University of Florence; Firenze Italy
17. Department of Medical Sciences and Public Health; Section of Dermatology; University of Cagliari; Cagliari Italy
18. Department of Medicine; Section of Clinical, Allergological and Venereological Dermatology; University of Perugia; Perugia Italy