1. Department of Medical Sciences University of Turin, Dermatology Clinic Turin Italy
2. Dermatology Unit, Department of Internal Medicine Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan Italy
3. Department of Pathophysiology and Transplantation University of Milan Milan Italy
4. Dermatology Clinic Maggiore Hospital of Trieste Trieste Italy
5. Dermatology Unit IRCCS Humanitas Research Hospital Rozzano MI Italy
6. Department of Biomedical Sciences Humanitas University Pieve Emanuele MI Italy
7. Dermatology Unit Galliera Hospital Genoa Italy
8. UOC di Dermatologia, Dipartimento di Scienze Mediche e Chirurgiche Fondazione Policlinico Universitario A. Gemelli – IRCCS Rome Italy
9. Dermatologia, Dipartimento di Medicina e Chirurgia Traslazionale Università Cattolica del Sacro Cuore Rome Italy
10. Dermatology Unit IRCCS of Azienda Ospedaliero‐Universitaria di Bologna Bologna Italy
11. Dermatology, Department of Experimental, Diagnostic and Specialty Medicine (DIMES) University of Bologna Bologna Italy
12. Department of Pathology IRCCS San Raffaele Scientific Institute Milan Italy