1. Otorhinolaryngology Section, Department of Biomedicine, Neuroscience and Advanced Diagnostics, Azienda Ospedaliera Universitaria Policlinico “Paolo Giaccone,” University of Palermo, Palermo
2. Indipendent Researcher, Sciacca (Agrigento), Italy
3. ENT Department, King Abdulaziz Medical City Jeddah, Saudi Arabia
4. Hygiene and Preventive Medicine Section, Department of Health Promotion, Maternal and Infant Care, Internal Medicine and Medical Specialties, Azienda Ospedaliera Universitaria Policlinico “Paolo Giaccone,” University of Palermo
5. Otorhinolaringology Section, Department of Biomedicine, Neuroscience and Advanced Diagnostics, Azienda Ospedaliera Universitaria Policlinico “Paolo Giaccone,” University of Palermo Palermo, Italy