Affiliation: | 1. Department of Otorhinolaryngology, Head and Neck Surgery and Audiology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark;2. Department of Pediatric and Adolescent Medicine, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark;3. Department of Pathology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark;4. Department of Oncology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark |