∗Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital of Modena, Modena, Italy

†Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital of Verona, Verona, Italy

Address correspondence and reprint requests to Guglielmo Ronzani, M.D., Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital of Verona, Piazzale L.A. Scuro, 10, 37134 Verona VR, Italy; E-mail: [email protected]

Guglielmo Ronzani, ORCID: 0000-0002-1404-4181

All of the procedures performed in the present study involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

The authors have no conflicts of interest to declare.

All the authors have significantly participated in the study in accordance with the ICMJE Recommendations on authorship: Daniele Marchioni and Alessia Rubini designed the study and revised it critically for important intellectual content; Guglielmo Ronzani and Sandra Gazzini conducted and presented the research, collected patient's data, and reviewed the literature; Gianfranco Fulco performed substantial contributions to analysis and interpretation of data.

The authors disclose no conflicts of interest.