1. Department of Otorhinolaryngology General Hospital and Medical University of Vienna Vienna Austria
2. MacroArray Diagnostics Vienna Austria
3. Department of Otorhinolaryngology Wiener Gesundheitsverbund, Hospital Hietzing Vienna Austria
4. Department of Dermatology General Hospital and Medical University of Vienna Vienna Austria
5. Center for Medical Statistics, Informatics and Intelligent Systems Medical University of Vienna Vienna Austria