1. Section of Dermatology; Fondazione IRCCS Ca' Granda; Ospedale Maggiore Policlinico di Milano; Department of Pathophysiology and Transplantation; University of Milan; Italy
2. Section of Dermatology; Department of Surgical Sciences; Parma University; Parma Italy
3. Pediatric Clinic 1; Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano; Department of Pathophysiology and Transplantation; University of Milan; Italy