1. Department of Ophthalmology; Kymenlaakso Central Hospital; Kotka Finland
2. Helsinki Retina Research Group; University of Helsinki; Helsinki Finland
3. Patient Insurance Centre; Helsinki Finland
4. Tays Eye Centre; Tampere University Hospital; Tampere Finland
5. Department of Ophthalmology; Turku University Hospital; Turku Finland
6. Department of Ophthalmology; Oulu University Hospital; Oulu Finland
7. Medical Research Center; University of Oulu; Oulu Finland
8. Department of Ophthalmology; North Karelian Central Hospital; Joensuu Finland
9. Department of Ophthalmology; Kanta-Häme Central Hospital; Hämeenlinna Finland
10. Department of Ophthalmology; Lapland Central Hospital; Rovaniemi Finland
11. Department of Ophthalmology; Satakunta Central Hospital; Pori Finland
12. Department of Ophthalmology; Päijät-Häme Central Hospital; Lahti Finland
13. The Finnish Medical Society Duodecim; Helsinki Finland
14. Department of Ophthalmology; Helsinki University Hospital; Helsinki Finland
15. Department of Ophthalmology; Kuopio University Hospital; Kuopio Finland
16. Department of Ophthalmology; Institute of Clinical Medicine; University of Eastern Finland; Kuopio Finland