1. Department of Head and Neck Oncology and Surgery; The Netherlands Cancer Institute-Antoni van Leeuwenhoek; Amsterdam The Netherlands
2. Department of Clinical Physics and Instrumentation; The Netherlands Cancer Institute-Antoni van Leeuwenhoek; Amsterdam The Netherlands
3. Institute of Phonetic Sciences (ACLC); University of Amsterdam; Amsterdam The Netherlands
4. Department of Oral-Maxillofacial Surgery; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands