1. Department of Biomedical and Clinical Sciences “L. Sacco,”; University of Milan; Milan Italy
2. Spinal and Cranial Reflexes Laboratory; Fondazione Istituto Neurologico C Mondino IRCCS; Pavia Italy
3. Department of Audiology; IRCCS Ospedale Maggiore Policlinico; Milan Italy
4. Department of Surgery; Medical University of Vienna; Vienna Austria
5. Department of Radiology; Medical University of Vienna; Vienna Austria
6. Department of Gastroenterology; Gunma University Hospital; Gunma Japan
7. Department of Otorhinolaryngology; University Hospital Ostrava; Ostrava Czech Republic