1. Department of Ophthalmology, University Hospital Münster, Albert- Schweitzer-Campus 1, Building D15, 48149 Münster, Germany
2. Department of Neurology with Institute of Translational Neurology, University Hospital Münster, Albert-Schweitzer-Campus 1, Building A1, 48149 Münster, Germany
3. Department of Neurology, Klinikum Bremen-Ost, 28325 Bremen, Germany
4. Department of Ophthalmology, Klinikum Bielefeld, 33604 Bielefeld, Germany