1. Maxillofacial Surgery Unit, Department of Mental Health and Sense Organs, Santa Maria Le Scotte, University Hospital of Siena, Viale Mario Bracci, 16, 53100 Siena, Italy
2. Department of Medicine Surgery and Neuroscience, University of Siena, Viale Mario Bracci, 16, 53100 Siena, Italy
3. Section of Pathology, Department of Medical Biotechnology, University of Siena, 53100 Siena, Italy
4. Maxillofacial Surgery, San Salvatore Hospital, Department of Life Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy