1. Department of Neurology, Medical University Innsbruck, Innsbruck, Austria
2. Neurology Service, Hospital Clinic de Barcelona, IDIBAPS, CIBERNED, Barcelona, Spain
3. Department of Neurosciences, Biomedicine and Movement Sciences University of Verona, Verona, Italy
4. Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, Italy
5. Biocrystallography Laboratory, Department of Biotechnology, University of Verona, Verona, Italy
6. Department of Neurosciences, Biomedicine and Movement Sciences, Anatomy and Histology Section, University of Verona, Italy
7. Department of Otorhinolaryngology-Head and Neck Surgery, Medical University Innsbruck, Innsbruck, Austria
8. Department of Otorhinolaryngology, Hospital Clinic de Barcelona, University of Barcelona, IDIBAPS, CIBER-RES, Barcelona, Spain