1 Department of Biomedical and Dental Sciences, Morphological and Functional Images, G. Martino University Hospital, University of Messina, Messina, Italy.
2 Department of Biomedical and Dental Sciences, Morphological and Functional Images, G. Martino University Hospital, University of Messina, Messina, Italy - lfiorillo@unime.it.
3 Multidisciplinary Department of Medical-Surgical and Dental Specialties, Luigi Vanvitelli University, Naples, Italy.