1. Department of Head & Neck Oncology and Surgery, The Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
2. Department of Otorhinolaryngology/Head and Neck Surgery, The University Medical Center Groningen, University of Groningen, 9700 RB Groningen, The Netherlands
3. Department of Radiology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
4. Department of Radiology, University Medical Centre Utrecht, Utrecht, The Netherlands
5. Department of Otorhinolaryngology, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
6. Institute of Phonetic Sciences, ACLC, University of Amsterdam, Amsterdam, The Netherlands