1. Department of Otorhinolaryngology; Head and Neck Surgery and Audiology; Copenhagen University Hospital; Copenhagen Denmark
2. Department of Otorhinolaryngology and Maxillofacial Surgery; Zealand University Hospital; Køge Denmark
3. Departments of Pathology, Otolaryngology and Oncology; Johns Hopkins Medical Institutions; Baltimore MD USA
4. Genomic Medicine; Copenhagen University Hospital; Copenhagen Denmark
5. Department of Pathology; Copenhagen University Hospital; Copenhagen Denmark