1. Science Consulting in Diabetes GmbH, Neuss, Germany
2. Instand, Düsseldorf, Germany
3. Institut für Diabetes-Technologie, Ulm, Germany
4. Institute of Clinical Chemistry, Hannover Medical School (MHH), Hannover, Germany
5. Department of Diabetes and Metabolism, Klinikum Karlsburg, Karlsburg, Germany
6. German Diabetes Foundation, Munich, Germany
7. Diabetes- und Nierenzentrum Dormagen, Dormagen, Germany
8. Endocrinology and Diabetes, Dpt. Internal Medicine III, Jena University Hospital, Jena, Germany
9. Department of Medicine I, University Hospital Aachen, Aachen, Germany
10. Praxis für Endokrinologie, Erfurt, Germany
11. Institute of Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Greifswald, Germany
12. German Center for Cardiovascular Research (DZHK e.V.), Partner Site Greifswald, Greifswald, Germany