1. Department of Biomedical and Dental Sciences and Morphological and Functional Imaging, Messina University, 98100 Messina, Italy
2. Multidisciplinary Department of Medical-Surgical and Odontostomatological Specialties, University of Campania “Luigi Vanvitelli”, 80121 Naples, Italy
3. Department of Maxillofacial Surgery, Loma Linda University, Loma Linda, CA 92354, USA
4. Department of Human Pathology, University of Messina, 98100 Messina, Italy
5. Departments of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy