1. Department of Surgical, Medical, Dental and Morphological Sciences with interest in Transplant, Oncology and Regenerative Medicine; University of Modena and Reggio Emilia; Largo del Pozzo 71 41124 Modena Italy
2. Department of Anatomic Pathology; University of Modena and Reggio Emilia; Largo del Pozzo 71 41124 Modena Italy
3. Dermatology and Skin Cancer Unit; Arcispedale S. Maria Nuova; IRCCS; Reggio Emilia Italy
4. Department of Dermatology; University of Modena and Reggio Emilia; Largo del Pozzo 71 41124 Modena Italy