1. Division of Clinical Pathology, Department of Surgical, Medical, Dental and Morphological Sciences with Interest in Transplant, Oncological and Regenerative Medicine, University of Modena and Reggio Emilia, I‑41124 Modena, Italy
2. Division of Dermatology, Department of Surgical, Medical, Dental and Morphological Sciences with Interest in Transplant, Oncological and Regenerative Medicine, University of Modena and Reggio Emilia, I‑41124 Modena, Italy
3. Department of Oncology and Haematology, University of Modena and Reggio Emilia, I‑41124 Modena, Italy
4. Department of Pathology, University of Modena and Reggio Emilia, I‑41124 Modena, Italy