1. Unit of Dermatology IRCCS San Raffaele Hospital Milan Italy
2. Clinical Dermatology Department San Gallicano Dermatological Institute, IRCCS Rome Italy
3. Dermatology Unit Azienda Ospedaliera San Donato Milanese Milan Italy
4. IRCCS Ospedale Galeazzi‐Sant'Ambrogio Milan Italy
5. Department of Biomedical Sciences for Health University of Milan Milan Italy
6. Department of Biomedical, Surgical and Dental Sciences University of Milan Milan Italy
7. Italian Center of Precision Medicine and Chronic Inflammation Milan Italy