1 Otorhinolaryngology-Head and Neck Surgery Department, University Hospital of Modena, Via del Pozzo 71, 41100, Modena, Italy.
2 Department of Anesthesiology, University Hospital of Modena, Via del Pozzo 71, 41100, Modena, Italy.
3 Otorhinolaryngology-Head and Neck Surgery Department, University Hospital of Verona, Piazzale Aristide Stefani, 41100, Verona, Italy.
4 Otorhinolaryngology-Head and Neck Surgery Department, University Hospital of Modena, Via del Pozzo 71, 41100, Modena, Italy. matteo.fermi.med@gmail.com.