1. Dermatology Unit; Department of Experimental, Diagnostic and Specialty Medicine; University of Bologna; Bologna Italy
2. Division Dermatology; Departement of Surgery and Translational Medicine; University of Florence; Florence Italy
3. Microbiology Unit; Department Of Experimental, Diagnostic and Specialty Medicine; University of Bologna; Bologna Italy
4. Haematogy Unit; Department of Experimental, Diagnostic and Specialty Medicine; University of Bologna; Bologna Italy