1. Adult Otorhinolaryngology Head Neck Surgery Division, ASST Spedali Civili, Brescia, Italy;
2. Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, Section of Head and Neck Surgery, University of Brescia, Brescia, Italy;
3. Pediatric Otorhinolaryngology Head Neck Surgery Division, Children Hospital, ASST Spedali Civili, Brescia, Italy