1. Medical School, Division of Phoniatrics and Pediatric Audiology at the Department of Otorhinolaryngology Head and Neck Surgery, University Hospital Erlangen, Raumerstrasse 1a, 91054 Erlangen, Germany
2. Chair of Sensor Technology, Friedrich-Alexander-University Erlangen-Nürnberg, Paul-Gordan-Strasse 3/5, 91052 Erlangen, Germany
3. Laryngeal Dynamics Laboratory, Division of Head and Neck Surgery, David Geffen School of Medicine at UCLA, 10833 Le Conte Avenue, Los Angeles, California 90095-1624, USA
4. Department of Otorhinolaryngology Head and Neck Surgery, University Hospital Erlangen, Waldstrasse 1, 91054 Erlangen, Germany
5. Laboratory for Molecular Biology at the Department of Otorhinolaryngology Head and Neck Surgery, University Hospital Erlangen, Waldstrasse 1, 91054 Erlangen, Germany