1. Biofluid Mechanics Lab, Institute of Laboratory Medicine, Charité, Berlin, Germany
2. Department of Otorhinolaryngology, Head and Neck Surgery, Staedtisches Klinikum Karlsruhe, Karlsruhe, Germany
3. Private practice of otorhinolaryngology, Zurich, Switzerland
4. Department of Scientific Visualization and Data Analysis, Zuse Institute, Berlin, Germany
5. Private practice of otorhinolaryngology in association with the Limmatklinik, Zurich, Switzerland