1. Department of Otorhinolaryngology, Head and Neck Surgery Medical University of Vienna Vienna Austria
2. Department of Experimental Pathology and Laboratory Animal Pathology Department of Pathology Medical University of Vienna Vienna Austria
3. Unit of Laboratory Animal Pathology University of Veterinary Medicine Vienna Austria
4. Christian Doppler Laboratory for Applied Metabolomics Vienna Austria
5. CBmed GmbH – Center for Biomarker Research in Medicine Graz Austria