1. Department of Neuroscience, University of Padova, Padua, Italy;
2. Unit of Otolaryngology, Padua University Hospital, Padua, Italy;
3. Department of Neuroscience, Section of Human Anatomy, University of Padova, Padua, Italy;
4. Department of Neuroscience, Section of Otolaryngology, University of Padova, Padua, Italy