1. Department of Otolaryngology – Head and Neck SurgeryVU University Medical CenterAmsterdam The Netherlands
2. Department of RadiologyVU University Medical CenterAmsterdam The Netherlands
3. Department of PathologyVU University Medical Center/Academic Center for Dentistry (ACTA)Amsterdam The Netherlands
4. Department of Medical OncologyVU University Medical CenterAmsterdam The Netherlands
5. Department of Epidemiology and BiostatisticsVU University Medical CenterAmsterdam The Netherlands
6. Department of Radiation OncologyVU University Medical CenterAmsterdam The Netherlands