1. Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich, at the University of Tübingen Tübingen Germany
2. German Centre for Diabetes Research (DZD e.V.) Tübingen Germany
3. Department of Internal Medicine, Division of Endocrinology, Diabetology, Angiology, Nephrology and Clinical Chemistry Eberhard Karls University Tübingen Tübingen Germany
4. University Pharmacy University Hospital Tübingen Germany
5. Institute of Medical Psychology and Behavioral Neurobiology Eberhard Karls University Tübingen Tübingen Germany
6. Institute for Diabetes and Obesity, Helmholtz Diabetes Centre at Helmholtz Zentrum München German Research Centre for Environmental Health (GmbH) Neuherberg Germany
7. Institute of Pharmaceutical Sciences, Department of Pharmacy and Biochemistry Eberhard Karls University Tübingen Tübingen Germany