1. Dermatology Unit IRCCS Humanitas Research Hospital Milan Italy
2. Department of Biomedical Sciences Humanitas University Milan Italy
3. Department of Dermatology, Dermatology Unit Azienda Ospedaliera San Donato Milanese Milan Italy
4. Dermatology Unit Azienda Ospedaliera di Cosenza Cosenza Italy
5. Dermatology Unit University of Campania L. Vanvitelli Naples Italy
6. Dermatology Unit IRCCS Azienda Ospedaliero‐Universitaria di Bologna, Policlinico S. Orsola Malpighi Bologna Italy
7. Department of Dermatology, Dipartimento di Scienze della Salute (DISSAL) University of Genoa, IRCCS Ospedale Policlinico San Martino Genoa Italy
8. Dermatology Unit Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan Italy
9. Department of Biomedical, Surgical, and Dental Sciences University of Milan Milan Italy
10. Clinical Dermatology IRCCS Ospedale Galeazzi‐Sant'Ambrogio Milan Italy
11. Department of Biomedical Science and Human Oncology, Second Dermatologic Clinic University of Turin Turin Italy
12. Dermatology Unit Department of Clinical and Experimental Medicine Ospedale Santa Chiara Pisa Italy
13. Section of Dermatology, Department of Clinical Medicine and Surgery University of Naples Federico II Naples Italy
14. Department of Medicine, Section of Dermatology and Venereology University of Verona Verona Italy
15. Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Unit of Dermatology University of Messina, AOU Policlinico G. Martino Messina Italy
16. Dermatological Clinic, Department of Specialized Medicine University of Modena Modena Italy
17. Department of Dermatology University of Bari Bari Italy
18. Department of Pathophysiology and Transplantation Università degli Studi di Milano Milan Italy
19. UOC Clinical Dermatology – Dermatological Institute S. Gallicano, IRCCS Rome Italy
20. Clinical Epidemiology Unit Istituto Dermopatico dell'Immacolata (IDI) IRCCS Rome Italy
21. U.O.S.D. Dermatologica – Centro per la Cura Della Psoriasi Brindisi Italy