1. Department of Surgical Oncology Netherlands Cancer Institute Amsterdam The Netherlands
2. Department of Ocular Oncology The Rotterdam Eye Hospital Rotterdam The Netherlands
3. Department of Dermatology Netherlands Cancer Institute Amsterdam The Netherlands
4. Department of Pathology, Section Ophthalmic Pathology Erasmus Medical Centre Rotterdam The Netherlands
5. Department of Pathology Leiden University Medical Center Leiden The Netherlands
6. Department of Ophthalmology Erasmus Medical Centre Rotterdam The Netherlands
7. Sarcoma and Skin Unit, Department of Academic Surgery Royal Marsden NHS Trust London UK
8. Department of Surgical Oncology Erasmus Medical Centre Rotterdam The Netherlands
9. Department of Dermatology Erasmus Medical Centre Rotterdam The Netherlands
10. Department of Epidemiology and Biostatistics Netherlands Cancer Institute Amsterdam The Netherlands
11. Department of Pathology Erasmus Medical Centre Rotterdam The Netherlands