1 Department of Ophthalmology, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Clinical Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands.
2 National Specialist Ophthalmic Pathology Service, Department of Histopathology, Royal Hallamshire Hospital, Sheffield, United Kingdom.
3 Department of Oncology & Metabolism, The University of Sheffield, Sheffield, United Kingdom.
4 Department of Clinical Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands.
5 Department of Ophthalmology, Erasmus University Medical Center, Rotterdam, the Netherlands.
6 Ophthalmic Pathology, Erasmus MC University Medical Center, Rotterdam, the Netherlands. Electronic address: r.verdijk@erasmusmc.nl.