1. Eye Center, Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
2. Department of Ophthalmology, Amsterdam University Medical Centers, Amsterdam, the Netherlands
3. Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States
4. Institute of Anatomy and Cell Biology, University of Würzburg, Würzburg, Germany
5. Eye Center at St. Franziskus Hospital, Münster, Germany
6. Molecular Surgery Laboratory, Department of Ophthalmology, Byers Eye Institute, Stanford University, Palo Alto, California, United States