1. Unità di Dermatologia Clinica Vita‐Salute San Raffaele University Milan Italy
2. Unit of Dermatology and Cosmetology IRCCS San Raffaele Hospital Milan Italy
3. Unit of Immunology, Rheumatology, Allergy and Rare Diseases IRCCS San Raffaele Hospital Milan Italy
4. Surgical Pathology IRCCS San Raffaele Hospital Milan Italy
5. Vita‐Salute San Raffaele University Milan Italy