1. Department of Otolaryngology, Hannover Medical School, Hannover, Germany
2. NIFE—Lower Saxony Centre for Biomedical Engineering, Implant Research and Development, Hannover, Germany
3. Department of Orthopaedic Surgery, Hannover Medical School, Hannover, Germany
4. Fraunhofer Institute for Biomedical Engineering IBMT, Sulzbach, Germany
5. Fraunhofer Project Center for Stem Cell Process Engineering, Würzburg, Germany
6. Cluster of Excellence Hearing4all, German Research Foundation, Hannover, Germany