1. Department of Ophthalmology, Erasmus Medical Center, Rotterdam, The Netherlands
2. Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands
3. Department of Ophthalmology, Curie Institute, Université Paris Cité UFR Médecine, Paris, France
4. Ocular Oncology Service, Department of Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
5. Eye Genetics Group, Folkhälsan Research Center, Helsinki, Finland
6. Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands
7. Department of Pathology, Leiden Universital Medical Center, Leiden, The Netherlands
8. Ocular Oncology Service, Moorfields Eye Hospital, London, United Kingdom
9. Department of Ophthalmology, Hacettepe University School of Medicine, Ankara, Turkey
10. Department of Ophthalmology, Moscow Helmholtz Research Institute of Eye Diseases, Moscow, Russia
11. Department of Ophthalmology, Poznan University of Medical Sciences, Poznán, Poland
12. National Specialist Ophthalmic Pathology Service (NSOPS), Department of Histopathology, Royal Hallamshire Hospital, Sheffield, United Kingdom
13. Sheffield Ocular Oncology Service, Department of Ophthalmology, Royal Hallamshire Hospital, Sheffield, United Kingdom
14. Department of Ophthalmology, University of Copenhagen, Copenhagen, Denmark
15. Department of Pathology, University of Copenhagen, Copenhagen, Denmark
16. Department of Ophthalmology, Jules-Gonin Eye Hospital, Lausanne University, Lausanne, Switzerland
17. Department of Ophthalmology, Hospital Clinico Universitario de Valladolid, Valladolid, Spain
18. Department of Ophthalmology, St. Erik Eye Hospital, Stockholm, Sweden
19. Department of Ophthalmology, Oslo University Hospital, Oslo, Norway
20. Department of Ophthalmology, Basel University Hospital, Basel, Switzerland