1. ENT&HNS Department , “Sfanta Maria” Hospital , Bucharest , Romania
2. “Carol Davila” University of Medicine and Pharmacy , Bucharest , Romania
3. Center of excellence for research of sensorial and sensitive disorders, study of infecto-inflammatory, tumoral and obstructive aero-digestive pathology (CESITO), ENT&HNS Department , “Sfanta Maria”, Hospital , Bucharest , Romania