1. Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via C. Valeria, 98125 Messina, Italy
2. Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy
3. Department of Dermatology, University of Modena and Reggio Emilia, Via Del Pozzo, 41124 Modena, Italy