1. Department of Otolaryngology, Head and Neck Surgery and Audiology, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark
2. Department of Clinical Physiology, Nuclear Medicine and PET and Cluster for Molecular Imaging, Copenhagen University Hospital-Rigshospitalet & Department of Biomedical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark
3. Department of Pathology, Rigshospitalet, Copenhagen University Hospital, 2100 Copenhagen, Denmark
4. Department of Clinical Medicine, University of Copenhagen, 2200 Copenhagen, Denmark