1. Department of Ophthalmology, Radboud University Medical Center, Nijmegen, The Netherlands
2. Radboud University Medical Center, Donders Institute for Brain, Cognition and Behavior, Cognitive Neuroscience Department, Nijmegen, The Netherlands
3. Department of Ophthalmology, Ghent University and Ghent University Hospital, Ghent, Belgium
4. Center for Medical Genetics Ghent, Ghent University and Ghent University Hospital, Ghent, Belgium
5. Department of Ophthalmology, Giessen University Medical Center, Giessen, Germany
6. Bartiméus Institute for the Visually Impaired, Zeist and Doorn, The Netherlands
7. Department of Ophthalmology, Righospitalet, Glostrup, Denmark
8. Department of Clinical Genetics, Righospitalet, Copenhagen, Denmark
9. Department of Ophthalmology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
10. Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
11. Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
12. Department of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
13. Department of Ophthalmology, Academic Medical Center, Amsterdam, The Netherlands
14. Division of Ophthalmology & Center for Cellular & Molecular Therapeutics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
15. The Rotterdam Eye Hospital and Rotterdam Ophthalmic Institute, Rotterdam, The Netherlands
16. Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands