Vlastarakos PV, Menelaou C, Thrasyvoulou G ENT Department, Attikon University Hospital, Athens, Greece, ENT Department, Nicosia General Hospital, Nicosia, Cyprus
Çeçen A, Kemal O, Atmaca S, Kavaz E
Department of Otolaryngology, Samsun Education and Reserch Hospital, Department of Otolaryngology, Ondokuz Mayıs University School of Medicine, Samsun, Turkey