1. Clinic of Maxillofacial Surgery, Head-Neck and NeuroScience Department, University Hospital of Udine, Piazzale S. Maria della Misericordia 15, 33100 Udine, Italy
2. Department of Ophthalmology, University Hospital of Udine, Piazzale S. Maria della Misericordia 15, 33100 Udine, Italy
3. Department of Maxillofacial Surgery, Radboud Medical University, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
4. Radiation Oncology Unit, Department of Biomedical, Dental Science and Morphological and Functional Images, University of Messina, 98125 Messina, Italy
5. Neurosurgery Unit, Department of Biomedical, Dental Science and Morphological and Functional Images, 98125 Messina, Italy
6. Eye Clinic, Policlinico Umberto I, “Sapienza” University of Rome, 00142 Rome, Italy
7. Neurosurgery Unit, Head-Neck and NeuroScience Department, University Hospital of Udine, Piazzale S. Maria della Misericordia 15, 33100 Udine, Italy