1. 1Department of Endocrinology and Metabolism, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
2. 2Division of Diabetology, Endocrinology and Nephrology, Department of Internal Medicine IV, University of Tübingen, Tübingen, Germany
3. 3Institute for Diabetes Research and Metabolic Diseases, Helmholtz Center Munich, University of Tübingen, Partner of the German Center for Diabetes Research (DZD), Germany
4. 4Charité Center for Cardiovascular Research, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
5. 5DZHK (German Centre for Cardiovascular Research), partner site Berlin, Germany