1. Laboratory of Experimental Immunology; Istituto Dermopatico dell'Immacolata, IDI-IRCCS; Rome Italy
2. Day Hospital Unit; Istituto Dermopatico dell'Immacolata, IDI-IRCCS; Rome Italy
3. Department of Dermatology; Università SacroCuore, Policlinico Gemelli; Rome Italy