1. Department of Ophthalmology, Universitätsklinikum Knappschaftskrankenhaus Bochum, Ruhr-University Bochum, Bochum, Germany;
2. Department of Ophthalmology, University of Rostock, Rostock, Germany;
3. Department of Medicine, Universitätsklinikum Knappschaftskrankenhaus Bochum, Ruhr-University Bochum, Bochum, Germany;
4. Department of Molecular and Clinical Cancer Medicine, Institute of Translational Medicine, University of Liverpool, Liverpool, United Kingdom;
5. Department of Ophthalmology, University Duisburg-Essen, Essen, Germany;
6. Department of Ophthalmology, Heinrich Heine University Duesseldorf, Duesseldorf, Germany;
7. Department of Ophthalmology, St. Franziskus Hospital, Münster, Germany;
8. Department of Neurology, Hôpitaux Civils de Colmar, Colmar, France;
9. Department of Ophthalmology, Groupe Hospitalier de la Région Mulhouse Sud Alsace, Mulhouse, France; and
10. Department of Neurology, Universitätsklinikum Knappschaftskrankenhaus Bochum, Ruhr-University Bochum, Bochum, Germany