1. Dermatology Unit Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milan Italy
2. Department of Pathophysiology and Transplantation Università degli Studi di Milano Milan Italy
3. Department of Medical Sciences University of Turin, Dermatology Clinic Turin Italy
4. Pathology Unit Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy