1. Department of Ophthalmology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
2. Department of Ophthalmology, University of Bonn, Bonn, Germany
3. Institute for Medical Biometry, Informatics and Epidemiology, University of Bonn, Bonn, Germany
4. Department of Ophthalmology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands 4Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
5. Institute of Human Genetics, University of Regensburg, Regensburg, Germany
6. Department for Health Evidence, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands