1. Department of Biomedical and Neuromotor Sciences University of Bologna Bologna Italy
2. Oral and Maxillo‐facial Surgery Unit IRCCS Azienda Ospedaliero‐Universitaria di Bologna Bologna Italy
3. Section of Anatomic Pathology at Bellaria Hospital Department of Biomedical and Neuromotor Sciences University of Bologna Bologna Italy
4. Functional MR Unit IRCCS Istituto delle Scienze Neurologiche di Bologna Department of Biomedical and Neuromotor Sciences University of Bologna Bologna Italy
5. IRCCS Istituto delle Scienze Neurologiche di Bologna Bologna Italy