1. Department of Otorhinolaryngology and Head & Neck Surgery, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
2. Dutch Academic Alliance Skull Base Pathology, Radboud University Medical Center and Maastricht University Medical Center+, 6229 HX Maastricht, The Netherlands
3. Department of Otology and Head & Neck Surgery, Maastricht University Medical Center+, 6229 HX Maastricht, The Netherlands
4. Rare Cancers, Radboud Institute for Health Sciences, Geert Grooteplein 21, 6525 EZ Nijmegen, The Netherlands
5. Department of Neurosurgery, Maastricht University Medical Center+, 6229 HX Maastricht, The Netherlands