1. Georg-August-University Goettingen; University Eye Hospital; Goettingen Germany
2. Department for Ophthalmology; Ludwigshafen Hospital; Ludwigshafen Germany
3. Eye Hospital; University Hospital Leipzig; Leipzig Germany
4. Department of Ophthalmology; Ludwig-Maximilians-University; Munich Germany
5. Department of Ophthalmology; St. Elisabeth-Hospital; Koeln-Hohenlind Germany
6. Department of Ophthalmology; University of Muenster Medical Center; Muenster Germany
7. University Eye Hospital Ulm; Ulm Germany
8. Department for Ophthalmology; University Hospital of Freiburg; Freiburg Germany
9. University of Bonn; University Eye Hospital; Bonn Germany
10. Novartis Pharma GmbH; Nuremberg Germany