1. Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center; Amsterdam The Netherlands
2. Department of Head and Neck Surgical Oncology, UMC Utrecht Cancer Center; UMC Utrecht; Utrecht The Netherlands
3. Department of Radiology; Advent Hospital Willemstad; Curaçao The Netherlands
4. Department of Radiology; Medisch Spectrum Twente; Enschede The Netherlands
5. Department of Epidemiology and Biostatistics; VU University Medical Center; Amsterdam The Netherlands
6. Department of Radiology; VU University Medical Center; Amsterdam The Netherlands