1. Department of Ophthalmology, Erasmus University Medical Centre, Rotterdam, The Netherlands
2. Department of Epidemiology, Erasmus University Medical Centre, Rotterdam, The Netherlands
3. Department of Clinical Genetics, Erasmus University Medical Centre, Rotterdam, The Netherlands
4. Department of Ophthalmology, Radboud University Medical Centre, Nijmegen, Gelderland, The Netherlands
5. Institute of Molecular and Clinical Ophthalmology, Basel, Switzerland