1. Department of General Surgery and Surgical-Medical Specialities, School of Dentistry, University of Catania, Catania, Italy
2. Department of Clinical Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
3. Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, Naples, Italy
4. Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, Genoa, Italy
5. Department of General Surgery and Surgical-Medical Specialities, School of Dentistry, University of Catania, Via Santa Sofia 78, Catania 95123, Italy