1. Department of Otorhinolaryngology, Head and Neck Surgery, St. Trudpert SILOAH Medical Center Pforzheim, Pforzheim, Germany
2. RaDes GmbH, Hamburg, Germany
3. IDD-Xpert, Evreux, France
4. Altamira Medica AG, Zug, Switzerland
5. Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center of Eberhard-Karls University Tübingen, Germany, Tübingen, Germany