1. Department for Ophthalmology, University of Duisburg-Essen, Essen, Germany
2. Department of Endocrinology and Diabetology, University of Düsseldorf, Düsseldorf, Germany
3. Institute for Experimental Endocrinology - EnForCé, Charité, Berlin, Germany
4. Department of Molecular Medicine, Atomic Bomb Disease Institute, Japan University Graduate School of Biomedical Sciences, Nagasaki, Japan
5. Department of Molecular Biology, University of Duisburg-Essen, Essen, Germany