1. Department GF Ingrassia, University of Catania, 95131 Catania, Italy
2. Sense Research Unit, Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London WC1N 3BG, UK
3. Organ of Sense Department, University La Sapienza, 00185 Rome, Italy
4. Ear, Nose, and Throat Unit, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, 60020 Ancona, Italy
5. Otolaryngology—Head and Neck Department, Columbia University, New York, NY 10032, USA
6. Department of Otolaryngology—Head and Neck Surgery, Hannover Medical School, 30625 Hannover, Germany
7. Multiple Sclerosis Center, Neurology Department, Wayne State University, Detroit, MI 48201, USA