1 *Department of Otolaryngology-Head and Neck Surgery, University of Tuebingen, Tuebingen†Department of Otolaryngology-Head and Neck Surgery, University of Oldenburg, Oldenburg‡Department of Radiology-Neuroradiology§Institute of Pathology, University of Tuebingen, Tuebingen¶Medical Campus University of Oldenburg, School of Medicine and Health Sciences-European Medical School, Research Center of Neurosensory Science, Cluster of Excellence Hearing4all, University of Oldenburg, Oldenburg, Germany.