1. Dermatology Unit, Ospedale San Bortolo, 36100 Vicenza, Italy
2. Study Centre of the Italian Group for Epidemiologic Research in Dermatology (GISED), 24128 Bergamo, Italy
3. Dermatology Clinic, Department of Medical Sciences, University of Turin, 10124 Turin, Italy
4. Dermatology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
5. Department of Dermatology, University of Modena and Reggio Emilia, 41100 Modena, Italy
6. Section of Dermatology and Venereology, Department of Medicine, University of Verona, 37100 Verona, Italy
7. Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
8. Dermatology Department, University of Brescia, 25123 Brescia, Italy
9. Unit of Dermatology, Department of Precision and Regenerative Medicine and Jonian Area, University of Bari Aldo Moro, 70121 Bari, Italy
10. UOC Dermatologia, AOU “R. Dulbecco”, Ospedale ‘A. Pugliese’, 88100 Catanzaro, Italy
11. UOC Dermatologia, Azienda Ospedaliera Cosenza, 87100 Cosenza, Italy
12. Department of Health Sciences, Magna Graecia University, 88100 Catanzaro, Italy
13. Department of Biomedical Sciences, Humanitas University, 20090 Milan, Italy
14. Dermatology Unit, IRCCS Humanitas Research Hospital, 20089 Milan, Italy