1. Department of Otorhinolaryngology, Head and Neck Surgery and Audiology, Copenhagen University Hospital, Copenhagen, Denmark
2. Centre of Functional and Diagnostic Imaging and Research, Department of Clinical Physiology and Nuclear Medicine 260, Copenhagen University Hospital Hvidovre, Denmark
3. Department of Clinical Physiology and Nuclear Medicine, Copenhagen University Hospital, Copenhagen, Denmark
4. Department of Pathology, Copenhagen University Hospital, Copenhagen, Denmark