1. University Duisburg-Essen, Faculty of Medicine, IMIBE, Essen, Germany
2. Leipzig University, IMISE, Leipzig, Germany
3. Department of Ophthalmology, University Hospital Bonn, Bonn, Germany
4. Department of Ophthalmology, St. Franziskus-Hospital Münster, Münster, Germany
5. Faculty of Health/School of Medicine, Witten/Herdecke University, Witten, Germany
6. University Medical Center of the Johannes-Gutenberg-University, Mainz, Germany
7. Department of Pediatrics, Eberhard-Karls University Tübingen, Tübingen, Germany
8. Spinal Cord Injury Center, Heidelberg University Hospital, Heidelberg, Germany
9. Department of Urology, University of Freiburg, Freiburg, Germany
10. University Hospital Münster, Transplant Nephrology, Münster, Germany