1. Department of Head and Neck Oncology and Surgery The Netherlands Cancer Institute Amsterdam the Netherlands
2. Department of Biometrics and Statistics The Netherlands Cancer Institute Amsterdam the Netherlands
3. Amsterdam Center of Language and Communication University of Amsterdam Amsterdam the Netherlands
4. Department of Otorhinolaryngology‐Head and Neck Surgery, University of Groningen University Medical Center Groningen Groningen the Netherlands
5. Department of Maxillofacial Surgery Amsterdam University Medical Center Amsterdam the Netherlands