1. Dermatologic Surgery Unit, Modena University Hospital, Via del Pozzo 71, 41124 Modena, Italy
2. PhD Course in Clinical and Experimental Medicine, University of Modena and Reggio Emilia, 41121 Modena, Italy
3. Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, 41124 Modena, Italy
4. Department of Anatomic Pathology, Modena University Hospital, 41124 Modena, Italy