1. Department of Head and Neck Oncology and Surgery, The Netherlands Cancer Institute/Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
2. Department of Dermatology, The Netherlands Cancer Institute/Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
3. Department of Dermatology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
4. Department of Dermatology, Mohs Klinieken Amsterdam, Amsterdam, The Netherlands