Authors: Gerd Fabian Volk; Rudolf Hagen; Claus Pototschnig; Gerhard Friedrich; Tadeus Nawka; Christoph Arens; Andreas Mueller; Gerhard Foerster; Mira Finkensieper; Ruth Lang-Roth; Christian Sittel; Claudio Storck; Maria Grosheva; M Nasser Kotby; Carsten M Klingner; Orlando Guntinas-Lichius Journal: Eur Arch Otorhinolaryngol Date: 2012-05-11 Impact factor: 2.503