1. Department of Otorhinolaryngology, Head and Neck Surgery and Audiology,
Rigshospitalet, Denmark
2. Copenhagen Academy for Medical Education and Simulation, University of
Copenhagen, and The Capital Region of Denmark, Copenhagen, Denmark
3. Department of Clinical Medicine, University of Copenhagen,
Denmark
4. Department of Radiology, Copenhagen University Hospital,
Rigshospitalet, Copenhagen, Denmark
5. Department of Internal Medicine, Krankenhaus Märkisch Oderland
GmbH, Strausberg, Germany
6. Brandenburg Institute for Clinical Ultrasound, Medical University
Brandenburg, Neuruppin, Germany
7. Department of Radiology, Withybush General Hospital, Swansea, United
Kingdom of Great Britain and Northern Ireland
8. Department of Otorhinolaryngology, Head and Neck Surgery, University
Hospital Regensburg, Regensburg, Germany