1. Department of Ophthalmology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
2. Department of Ophthalmology, School of Medicine, Koc University, Istanbul, Turkey
3. Medical Eye Unit, St Thomas’ Hospital, London, UK
4. Department of Family Medicine, School of Medicine, Marmara University, Istanbul, Turkey
5. Department of Epidemiology and Biostatistics, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
6. Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam, The Netherlands
7. Department of Ophthalmology, University of Health Sciences, Ulucanlar Eye Education and Research Hospital, Ankara, Turkey
8. Department of Ophthalmology, Hacettepe University Faculty of Medicine, Ankara, Turkey
9. Department of Ophthalmology, Hadassah Medical Center, Jerusalem, Israel
10. Department of Ophthalmology, Aravind Eye Care System, Madurai, India
11. Department of Ophthalmology, Fattouma Bourguiba University Hospital, Faculty of Medicine, University of Monastir, Monastir, Tunisia
12. Department of Ophthalmology, Bayindir Hospital, Ankara, Turkey
13. Department of Ophthalmology, Ankara University Faculty of Medicine, Ankara, Turkey
14. Eye Clinic, University of Health Science, Ümraniye Training and Research Hospital, Istanbul, Turkey
15. Eye Clinic, University of Health Science, Beyoglu Eye Training and Research Hospital, Istanbul, Turkey
16. Department of Ophthalmology, Istanbul Cerrahpasa University Faculty of Medicine, Istanbul, Turkey
17. Division of Rheumatology, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey