1. Department of Head and NeckOral Surgery and Implantology Unit, Institute of Clinical DentistryUniversità Cattolica del Sacro CuoreFondazione Policlinico Universitario Gemelli Rome Italy
2. Department of Clinical Sciences and Translational MedicineUniversity of Rome Tor Vergata Rome Italy
3. Department of Head and NeckMaxillofacial Surgery UnitInstitute of Clinical DentistryUniversità Cattolica del Sacro CuoreFondazione Policlinico Universitario Gemelli Rome Italy
4. Department of Experimental Medicine and SurgeryUniversity of Rome Tor Vergata Rome Italy
5. Department of PeriodonticsVA HospitalGreater Los Angeles Healthcare Systemprivate practice Los Angeles CA USA