1. Section of Dermatology and Venereology Department of Medicine University of Verona Piazzale A. Stefani 1 37126 Verona Italy
2. Section of Pathology Department of Diagnostics and Public Health University of Verona Verona Italy
3. UOC Oncoematologia Pediatrica Ospedale della Donna e del Bambino Azienda Ospedaliera Universitaria Integrata Verona Verona Italy