1. Department of Medical, Surgical and Health Sciences, Section of Otolaryngology, University of Trieste, Trieste, Italy
2. Unit of Otolaryngology, AULSS 2 - Marca Trevigiana, Treviso, Italy
3. Department of ENT, Addenbrooke’s Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
4. Unit of Maxillofacial Surgery, Sassari University Hospital, Sassari, Italy
5. Unit of Otolaryngology, AULSS 2 - Marca Trevigiana, Vittorio Veneto, Italy
6. Unit of Otolaryngology, AULSS 2 - Marca Trevigiana, Montebelluna, Italy
7. Department of Clinical Pathology, AULSS 2 - Marca Trevigiana, Treviso, Italy
8. Neurobiology Group, SISSA, Scuola Internazionale Superiore di Studi Avanzati, Trieste, Italy
9. Unit of Cancer Epidemiology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, Aviano, Italy
10. Guy’s and St Thomas’ Hospitals, London, United Kingdom