1. Institute of Biochemistry and Molecular Biology I Medical Faculty Heinrich Heine University Düsseldorf Düsseldorf Germany
2. Faculty of Mathematics and Natural Sciences Center for Advanced Imaging Heinrich Heine University Düsseldorf Düsseldorf Germany
3. Department of Medicine, Nutrition and Metabolism Section Evans Biomedical Research Center Boston University School of Medicine Boston MA USA
4. Division of Endocrinology Department of Medicine Department of Molecular and Medical Pharmacology David Geffen School of Medicine University of California Los Angeles Los Angeles CA USA
5. Molecular Biology Institute University of California Los Angeles Los Angeles CA USA