| Authors: |
Send T; From the Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Bonn, Bonn., Bertlich M; Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Munich, Munich., Eichhorn KW; From the Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Bonn, Bonn., Ganschow R; Department of Pediatrics, University Hospital Bonn., Schafigh D; From the Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Bonn, Bonn., Horlbeck F; Internal Medicine II-Department of Cardiology, Angiology and Pneumology, University Hospital Bonn, Bonn, Federal Republic of Germany., Bootz F; From the Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Bonn, Bonn., Jakob M; Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Munich, Munich. |