1. Department of Head and Neck Oncology and Surgery Netherlands Cancer Institute (NKI‐AVL) Amsterdam The Netherlands
2. Division of Psychosocial Research and Epidemiology Netherlands Cancer Institute Amsterdam The Netherlands
3. Department of Health Technology and Services Research University of Twente Enschede The Netherlands
4. Institute of Phonetic Sciences, University of Amsterdam Amsterdam The Netherlands
5. Department of Oral and Maxillofacial Surgery Amsterdam University Medical Center (AUMC) Amsterdam The Netherlands
6. Department of Radiation Oncology Netherlands Cancer Institute Amsterdam The Netherlands