1. Medical Research, RILD Wellcome Wolfson Centre; University of Exeter Medical School, Royal Devon and Exeter NHS Foundation Trust; Exeter United Kingdom
2. Peninsula Clinical Genetics Service; Royal Devon and Exeter Hospital (Heavitree); Exeter United Kingdom
3. UCL Institute of Ophthalmology; University College London; London United Kingdom
4. Moorfields Eye Hospital; London United Kingdom
5. Department of Molecular and Human Genetics; Baylor College of Medicine; Houston Texas
6. Human Genome Sequencing Center; Baylor College of Medicine; Houston Texas
7. Department of Haematology; NHS Blood and Transplant Centre, University of Cambridge; Cambridge United Kingdom
8. NIHR BioResource - Rare Diseases; Cambridge University Hospitals NHS Foundation Trust; Cambridge United Kingdom
9. New Leaf Center; Clinic for Special Children; Mount Eaton Ohio
10. Clinical and Experimental Sciences, Faculty of Medicine; University of Southampton; Southampton United Kingdom
11. Division of Genetics and Metabolism; University of Minnesota Medical Center - Fairview; Minneapolis Minnesota
12. Division of Genetics and Metabolism, Department of Pediatrics; University of Minnesota; Minneapolis Minnesota
13. Ophthalmology Department, UCSF School of Medicine; Koret Vision Centre; San Francisco California
14. Department of Medical Genetics, Cambridge Institute for Medical Research; University of Cambridge; Cambridge United Kingdom