1. Helsinki Retina Research Group, University of Helsinki, Helsinki, Finland
2. Department of Ophthalmology, Helsinki University Hospital, Helsinki, Finland
3. Department of Ophthalmology, The Edith Wolfson Medical Center, Holon, Israel and Sackler School of Medicine, Tel Aviv University, Israel
4. Department of Ophthalmology, Bristol Eye Hospital, Bristol, UK
5. Department of Ophthalmology, Turku University Hospital, Turku, Finland
6. Department of Ophthalmology, University of Turku, Turku, Finland
7. Department of Ophthalmology, University of Warmia and Mazury, Olsztyn, Poland
8. Institute for Research in Ophthalmology, Foundation for Ophthalmology Development, Poznan, Poland
9. Department of Ophthalmology, Kymenlaakso Central Hospital, Kotka, Finland