1. Division of Endocrinology, Diabetology, Angiology, Nephrology and Clinical Chemistry; Department of Internal Medicine; University Hospital; Eberhard Karls University; Tübingen Germany
2. Institute for Diabetes Research and Metabolic Diseases; Helmholtz Centre Munich; University of Tübingen; Tübingen Germany
3. German Centre for Diabetes Research (DZD); Tübingen Germany
4. Department of Obstetrics and Gynaecology; University Hospital; Eberhard Karls University; Tübingen Germany
5. Department of Pharmacy and Biochemistry; Institute of Pharmaceutical Sciences; Tübingen Germany
6. Interfaculty Centre for Pharmacogenomics and Pharma Research; Eberhard Karls Universität Tübingen; Tübingen Germany. Institute for Diabetes and Obesity; Helmholtz Diabetes Centre, Helmholtz Zentrum München, German Research Centre for Environmental Health (GmbH); Neuherberg Germany