1 Dental Clinic, Department of Medical, Surgical and Health Sciences, University of Trieste, Ospedale Maggiore, Piazza dell'Ospitale 2, Trieste, Italy.
2 Department of Otorhinolaryngology, Head and Neck Surgery, Cattinara Hospital, Strada di Fiume 447, Trieste, Italy. Electronic address: [email protected].
3 Department of Otorhinolaryngology, Head and Neck Surgery, Cattinara Hospital, Strada di Fiume 447, Trieste, Italy.