1. Department of Ophthalmology, University Hospital Bonn, Bonn, Germany
2. Population Health Sciences, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
3. Department of Neurology, University Hospital Bonn, Bonn, Germany
4. Institute for Medical Biometry, Informatics and Epidemiology (IMBIE), Faculty of Medicine, University of Bonn, Germany
5. Department of Ophthalmology, University Hospital Mannheim, University of Heidelberg, Mannheim, Germany