1. Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
2. Biomedical Computer Vision Group, Department Bioinformatics and Functional Genomics, University of Heidelberg, IPMB, BioQuant, and German Cancer Research Center (DKFZ), Heidelberg, Germany
3. Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Jena, Jena, Germany
4. Section of Phoniatrics, Pedaudiology and Neurootology, Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany