1. Department of Otorhinolaryngology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
2. School of Medicine, University of St Andrews, St Andrews, UK
3. School of Computer Science, University of St Andrews, St Andrews, UK
4. Outpatient Clinic, Clemens Cuny, Dieburg, Germany
5. Department of Otorhinolaryngology, University Hospital Frankfurt, Frankfurt, Germany
6. Institute for Digital Medicine, Philipps-University Marburg, University Hospital of Giessen and Marburg, Marburg, Germany