1. Ophtha-Lab, Department of Ophthalmology, and Uveitis Centre at St. Franziskus Hospital
2. Department of Neurology with Institute of Translational Neurology, University Hospital Muenster
3. Augen-Zentrum-Nordwest Augenpraxis Ahaus
4. Department of Ophthalmology, University of Duisburg-Essen
5. Department of Human Medicine, University of Oldenburg
6. University of Duisburg-Essen