1. Instituto Oftalmobiologia Aplicada (IOBA), University of Valladolid, Valladolid, Spain
2. CIBER-BBN, Valladolid, Spain
3. Department of Ophthalmology, Bicêtre University Hospital, Le Kremlin-Bicêtre, France
4. Department of Ophthalmology, Ludwig Maximilian University, Munich, Germany
5. Birmingham and Midland Eye Centre, Birmingham City Hospital, Birmingham, UK
6. Department of Ophthalmology, Bayindir Hospital, Ankara, Turkey
7. Oculoplastic and Ocular Surface Disease, Aristotle University of Thessaloniki, Thessaloniki, Greece
8. Instituto Universitario Fernández-Vega, University of Oviedo, Oviedo, Spain
9. Department of Biomedical Sciences, University of Messina, Messina, Italy
10. San Carlos University Hospital, Complutense University, Madrid, Spain
11. Department of Ophthalmology, University Hospital, Düsseldorf, Germany
12. Department of Neuroscience, Ophthalmology and Genetics, University of Genoa, Genoa, Italy
13. Department of Ophthalmology, Quinze-Vingts Hospital, Paris, France