1. Research Unit for Rare Diseases Department of Pediatrics and Adolescent Medicine First Faculty of Medicine Charles University and General University Hospital Prague Czech Republic
2. Department of Ophthalmology First Faculty of Medicine Charles University and General University Hospital Prague Czech Republic
3. UCL Institute of Ophthalmology London UK
4. Department of Ophthalmology Second Faculty of Medicine Charles University and Motol University Hospital Prague Czech Republic
5. BIOCEV First Faculty of Medicine Charles University Prague Czech Republic
6. Moorfields Eye Hospital London UK