1. Department of Otorhinolaryngology – Head and Neck Surgery University Hospital of Modena Modena Italy
2. Section of Otorhinolaryngology – Head and Neck Surgery, Department of Neurosciences University of Padua – Azienda Ospedale Università di Padova Padua Italy
3. Department of Otorhinolaryngology – Head and Neck Surgery IRCCS Azienda Ospedaliero‐Universitaria di Bologna, Policlinico S. Orsola‐Malpighi Bologna Italy
4. Otorhinolaryngology Unit Vittorio Veneto Hospital Vittorio Veneto Italy
5. Unit of Otorhinolaryngology – Head and Neck Surgery, ASST Spedali Civili Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health University of Brescia Brescia Italy
6. Otolaryngology Unit, Department of Surgery, Dentistry and Paediatrics University of Verona Verona Italy
7. Department of Otorhinolaryngology – Head and Neck Surgery IRCCS Ospedale Policlinico San Martino Genoa Italy
8. Department of Surgical Sciences and Integrated Diagnostics (DISC) University of Genoa Genoa Italy
9. Otorhinolaryngology Unit IRCCS Humanitas Research Hospital Milan Italy
10. Department of Biomedical Sciences Humanitas University Milan Italy
11. Department of Otolaryngology – Head and Neck Surgery IRCCS Regina Elena National Cancer Institute Rome Italy
12. ENT Unit, Department of Oncology, University of Turin, San Luigi Gonzaga Hospital Orbassano Turin Italy
13. Department of Otolaryngology – Head and Neck Surgery University Hospital Policlinico Verona Italy
14. ENT Unit San Giovanni Bosco Hospital Turin Italy
15. Department of Specialist, Diagnostic and Experimental Medicine (DIMES), Alma Mater Studiorum Università di Bologna Bologna Italy