1. Department of Clinical Pharmacology, University Hospital Tübingen, Institute of Pharmacology and Toxicology, Otfried-Müller Str. 45, D-72076, Tübingen, Germany
2. Institute of Organic Chemistry, University of Tübingen, Tübingen, Germany
3. Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Tübingen, Tübingen Hearing Research Center (THRC), Tübingen, Germany
4. Department of Radiation Oncology, University Hospital Tübingen, Tübingen, Germany
5. Institute of Pharmacy, University of Tübingen, Tübingen, Germany