1 Department of Otorhinolaryngology & Head and Neck Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands. University of Milan, Department of Biomedical, Surgical and Dental Sciences, Milan, Italy.
2 University of Milan, Department of Biomedical, Surgical and Dental Sciences, Milan, Italy.
3 Department of Otorhinolaryngology & Head and Neck Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy University of Milan, Department of Clinical Sciences and Community Health, Milan, Italy.
4 Head and Neck Academic Centre, Department of Head and Neck Surgery, University College London Hospital, London, United Kingdom.
5 University of Milan, Department of Clinical Sciences and Community Health, Milan, Italy.
6 University of Milan, Department of Biomedical, Surgical and Dental Sciences, Milan, Italy Department of Otorhinolaryngology & Head and Neck Surgery, Fatebenefratelli Hospital, ASST Fatebenefratelli Sacco, Milan, Italy.