1. Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
2. Department of Genetics, University Medical Center Utrecht, Utrecht, the Netherlands
3. Department of Ophthalmology, Amsterdam UMC, Vrije Universiteit Amsterdam, Cancer Center Amsterdam, Amsterdam, the Netherlands
4. Department of Clinical Genetics, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
5. University Medical Center-Wilhelmina Children’s Hospital, Utrecht, the Netherlands
6. Division of Imaging and Oncology, University Medical Center Utrecht, Utrecht, the Netherlands
7. Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands