From the Departments of Neurology and Otorhinolaryngology and Experimental Medicine; Professor and Chairman of Audiology, Head ENT Department University of Rome La Sapienza, II Medical School
2.Head Department of Otolaryngology, Ospedale SantÕAndrea Via di Grottarossa 1035 00189 Rome Italy.
3.From the Departments of Neurology and Otorhinolaryngology and Experimental Medicine
4.University La Sapienza, II Medical School, Rome, Italy