1. Department of Ophthalmology University of Leipzig, Leipzig, Germany 2Department of Anatomy II, Friedrich Alexander University Erlangen-Nürnberg, Erlangen, Germany
2. Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Halle, Germany
3. Institute of Anatomy, Christian Albrecht University of Kiel, Kiel, Germany
4. Department of Anatomy II, Friedrich Alexander University Erlangen-Nürnberg, Erlangen, Germany 5Department of Neuroradiology, University of Leipzig, Leipzig, Germany
5. Department of Anatomy and Cell Biology, Martin Luther University Halle-Wittenberg, Halle, Germany
6. Department of Ophthalmology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
7. Department of Ophthalmology, Ruprecht Karl University Heidelberg, Heidelberg, Germany
8. Department of Anatomy II, Friedrich Alexander University Erlangen-Nürnberg, Erlangen, Germany