1. Dermatology Unit Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy
2. Department of Physiopathology and Transplantation Università degli Studi di Milano Milan Italy
3. Dipartimento di Scienze Biomediche e Cliniche ‘L. Sacco’ Università degli Studi di Milano Milan Italy
4. Department of Medical Sciences University of Turin Turin Italy
5. Dermatology Clinic University of Catania Catania Italy
6. Dermatology Unit Department of Surgery Misericordia Hospital Grosseto Italy
7. Section of Dermatology and Venereology Department of Medicine University of Verona Verona Italy
8. Dermatology Department of Experimental, Diagnostic and Specialty Medicine University of Bologna Bologna Italy
9. Department of Dermatology University of Pisa Pisa Italy
10. Dermatologic Clinic Department of Internal Medicine and Medical Specialties ‘La Sapienza’ University Rome Italy
11. Department of Dermatology University of Rome ‘Tor Vergata’ Rome Italy
12. First Dermatology Clinic and Clinical Epidemiology Unit Istituto Dermopatico dell'Immacolata IDI‐IRCCS Rome Italy
13. Department Health Science Section of Dermatology University of Florence Florence Italy
14. Dermatological Clinic Department of Clinical and Molecular Sciences Polytechnic University of the Marche Region Ancona Italy
15. Unit of Dermatology Department of Medical Sciences and Public Health University of Cagliari Cagliari Italy
16. Department of Medical Sciences Section of Dermatology University of Ferrara Ferrara Italy
17. Department of Clinical and Experimental Medicine Section of Dermatology University of Messina Messina Italy
18. Department of Dermatology ASST Spedali Civili di Brescia Brescia Italy
19. Section of Dermatology Department of Health Promotion Maternal‐Infant, Internal Medicine and Specialization University of Palermo Palermo Italy
20. Dermatology Unit IRCCS Humanitas Clinical and Research Center Rozzano (Milan) Italy
21. Department of Dermatology University of Naples Federico II Naples Italy
22. Institute of Dermatology Università Cattolica – Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy