1. Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbrücke, Nuthetal D-14558, Germany
2. German Center for Diabetes Research (DZD), München-Neuherberg D-85764, Germany
3. Medical Faculty, Institute for Clinical Biochemistry and Pathobiochemistry, German Diabetes Center (DDZ), Heinrich Heine University, Düsseldorf D-40225, Germany
4. Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University Hospital Leipzig, Leipzig D-04303, Germany
5. Chair for Molecular Animal Breeding and Biotechnology, Gene Center
6. Department of Veterinary Sciences, Center for Innovative Medical Models (CiMM), LMU Munich, D-81377 Munich, Germany
7. Institute for Diabetes and Obesity, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg D-85764, Germany
8. Division of Metabolic Diseases, Department of Medicine, Technische Universität München, Munich D-80333, Germany
9. Department of Medicine, University of Leipzig, Leipzig D-04103, Germany
10. Institute of Nutritional Science, University of Potsdam, Nuthetal D-14558, Germany