1. Cologne Center for Genomics University of Cologne Cologne Germany
2. Audiology Unit, Department of Otolaryngology, Faculty of Medicine Assiut University Egypt
3. Department of Otolaryngology University of Tübingen Tübingen Germany
4. HNO Sarnen GmbH & Swisstinnitus AG Sarnen Switzerland
5. Center for Molecular Medicine Cologne University of Cologne Cologne Germany
6. ATLAS Biolabs GmbH Berlin Germany