1. Department of Otorhinolaryngology, Ludwig-Maximilians University of Munich, Munich, Germany
2. Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center Göttingen, Göttingen, Germany
3. German Center for Vertigo and Balance Disorders (DSGZ), Ludwig-Maximilians University of Munich, Munich, Germany
4. Institute of Pathology, University Medical Center Göttingen, Göttingen, Germany
5. Research Unit Radiation Cytogenetics, Helmholtz Zentrum München, Research Center for Environmental Health (GmbH), Munich, Germany
6. Department of Radiation Oncology, University Hospital, LMU Munich, Germany
7. Clinical Cooperation Group “Personalized Radiotherapy in Head and Neck Cancer”, Helmholtz Zentrum München, Research Center for Environmental Health (GmbH), Munich, Germany