1. Leibniz Institute of Photonic Technology, Albert-Einstein-Str. 9, 07745 Jena, Germany
2. Department of Otorhinolaryngology, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany
3. Department of Biomedical Engineering, University of California Davis, One Shields Ave, Davis, California 95616, United States
4. Institute of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
5. Department for Medical Engineering and Biotechnology, University of Applied Sciences—Jena, Carl-Zeiss-Promenade 2, 07745 Jena, Germany