1. Department of Ophthalmology, Faculty of Medicine and University Hospital of Cologne, University of Cologne, Cologne, Germany
2. Singapore Eye Research Institute and Singapore National Eye Center, Singapore; Duke-NUS Medical School, Singapore
3. Institute of Veterinary Anatomy, Histology and Embryology, Justus-Liebig-University Gießen, Gießen, Germany
4. Department of Ophthalmology, University Medical Center Bonn, Bonn, Germany
5. Department of Ophthalmology, University Medical Centre of the Johannes Gutenberg University Mainz, Mainz, Germany
6. Institute for Molecular Physiology, Johannes Gutenberg University Mainz, Mainz, Germany
7. Department of Ophthalmology, Experimental Ophthalmology, University Medical Center Münster, Münster, Germany