1. Department of Clinical Genetics University Medical Center (UMC) University of Amsterdam (UvA) Amsterdam The Netherlands
2. Department of Ophthalmology University Medical Center Groningen (UMCG) University of Groningen (RUG) Groningen The Netherlands
3. Department of Pediatric Ophthalmology and Strabismus Al‐Shifa Eye Trust Hospital Rawalpindi Pakistan
4. Department of Human Genetics Donders Institute for Brain Cognition and Behaviour Radboud UMC Nijmegen The Netherlands
5. Department of Genetics Asociación Para Evitar la Ceguera en México México México
6. Department of Ophthalmology Universitair Medische Centre (UMC) University of Amsterdam (UvA) Amsterdam The Netherlands
7. The Netherlands Institute for Neurosciences (NIN‐KNAW) Amsterdam The Netherlands