1. Department of Biomedical and Neuromotor Sciences, Section of Oral Sciences, University of Bologna, Bologna, Italy
2. Department of Biomedical and Neuromotor Sciences, University of Bologna, Section of Maxillo-facial Surgery at Policlinico S. Orsola-Malpighi, Bologna, Italy
3. Department of Biomedical and Neuromotor Sciences, Section of Anatomic Pathology at Bellaria Hospital, University of Bologna, Bologna, Italy
4. Department of Biomedical and Neuromotor Sciences, Functional MR Unit, IRCCS Istituto Delle Scienze Neurologiche di Bologna, University of Bologna, Bologna, Italy