1. Department of Ophthalmology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
2. Department of Ophthalmology, Asklepios Hospital Nord-Heidberg, Hamburg, Germany
3. Medical Research School, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
4. Department of Ophthalmology, Experimental Eye Research Institute, Ruhr-University Bochum, Bochum, Germany
5. UCL Institute of Ophthalmology, London, UK
6. Department of Dermatology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
7. Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany