1. Department of Neurosciences; Institute of Otolaryngology; Padova University; Padova
2. Respiratory Intensive Care Unit; City Hospital of Padova; Padova
3. Department of Neurology; Nuovo Garibaldi Hospital; Catania
4. Anaesthesia and Intensive Care Unit; Padova University; Padova
5. Department of Neurosciences; Institute of Otosurgery and ENT; City Hospital of Padova; Padova
6. Department of Maxillofacial Surgery; TMD Clinic; University of Padova, Carrara Private Practice; Padova; Italy
7. Royal National Throat; Nose & Ear Hospital; London; U.K.