1. Department of Otorhinolaryngology IRCCS Istituto Giannina Gaslini Genoa Italy
2. Unit of Otorhinolaryngology—Head and Neck Surgery IRCCS Ospedale Policlinico San Martino Genoa Italy
3. Department of Surgical Sciences and Integrated Diagnostics (DISC) University of Genoa Genoa Italy
4. Nuclear Medicine Department Ente Ospedaliero “Ospedali Galliera” Genoa Italy
5. Department of Nuclear Medicine and Clinical Molecular Imaging University Hospital Tübingen Germany
6. Department of Otorhinolaryngology—Head and Neck Surgery Klinikum Stuttgart Stuttgart Germany
7. Unit of Otorhinolaryngology—Head and Neck Surgery ASST Spedali Civili of Brescia Brescia Italy
8. Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health University of Brescia Brescia Italy