1. Department of Otorhinolaryngology and Head and Neck Surgery, Erasmus MCUniversity Medical Center Rotterdam Rotterdam The Netherlands
2. Center for Optical Diagnostics and Therapy, Department of Dermatology, Erasmus MCUniversity Medical Center Rotterdam Rotterdam The Netherlands
3. Department of Oral and Maxillofacial surgery, Erasmus MCUniversity Medical Center Rotterdam Rotterdam The Netherlands
4. Department of Pathology, Erasmus MCUniversity Medical Center Rotterdam Rotterdam The Netherlands