1 Dermatological Clinic, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy.
2 Department of Clinical and Molecular Sciences - Histology, Università Politecnica delle Marche, Ancona, Italy.
3 Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy.