1. Eye Hospital, University Medical Centre Ljubljana, Ljubljana, Slovenia
2. Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
3. Department of Human Genetics, Radboud University Medical Center, Nijmegen, the Netherlands
4. Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, the Netherlands
5. Max Planck Institute for Psycholinguistics, Nijmegen, the Netherlands
6. Clinical Institute of Genomic Medicine, University Medical Centre Ljubljana, Ljubljana, Slovenia