1. Department of Dermatology, Erasmus Medical Center Cancer Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
2. Department of Otolaryngology and Head and Neck Surgery, Erasmus University Medical Center, Rotterdam, Rotterdam, the Netherlands
3. Department of Surgical Oncology, Erasmus Medical Center Cancer Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
4. Department of Pathology, Erasmus University Medical Center, Rotterdam, the Netherlands
5. Department of Radiology and Nuclear Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands