1. Department of Biology and Medical Genetics, Second Faculty of Medicine Charles University and University Hospital Motol Prague Czech Republic
2. Department of Ophthalmology, Second Faculty of Medicine Charles University and University Hospital Motol Prague Czech Republic
3. Reprofit International Brno Czech Republic
4. Department of Medical Genetics Nemocnice České Budějovice České Budějovice Czech Republic
5. GENNET Liberec Czech Republic
6. Molecular Biology AGEL Laboratories Nový Jičín Czech Republic
7. DNA Laboratory, Department of Child Neurology, Second Faculty of Medicine Charles University and University Hospital Motol Prague Czech Republic
8. Research Unit for Rare Diseases, Department of Paediatrics and Adolescent Medicine, First Faculty of Medicine Charles University and General University Hospital Prague Czech Republic
9. Department of Ophthalmology, First Faculty of Medicine Charles University and General University Hospital Prague Czech Republic