1. Department of Material Science, Faculty II; University of Applied Sciences and Arts Hannover; Germany
2. Institute of Micro Production Technology, Leibniz Universität Hannover; Germany
3. Institute for Multiphase Processes, Leibniz Universität Hannover; Germany
4. Department of Otolaryngology; Hannover Medical School; Germany
5. Cluster of Excellence “Hearing4all”; Hannover Medical School; Germany