Affiliation: | 1.Department of Otorhinolaryngology, Ludwig Maximilians University, Munich, Germany ;2.Private Practice, ENT-Centre Mangfall-Inn, Rosenheim, 83022, Germany ;3.Department of Otorhinolaryngology, University of Ulm, Ulm, Germany ;4.Department of Otorhinolaryngology, Otto Körner, University of Rostock, Rostock, Germany ; |