1. Division of Otorhinolaryngology, Department of Surgical Specialties ASST Sette Laghi, Ospedale di Circolo e Fondazione Macchi Varese Italy
2. Division of Otorhinolaryngology, Department of Biotechnology and Life Sciences University of Insubria–Varese, ASST Sette Laghi, Ospedale di Circolo e Fondazione Macchi Varese Italy
3. Department of Biotechnology and Life Sciences, Head and Neck Surgery and Forensic Dissection Research Center University of Insubria Varese Italy
4. Department of Otorhinolaryngology–Head and Neck Surgery Ospedale Sant'Anna, San Fermo della Battaglia Como Italy