1. 1Institute of Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Greifswald, Germany
2. 2Schwerpunktpraxis für Diabetes und Hormonerkrankungen, Erfurt, Germany
3. 3Department of Neurology, University Medicine Greifswald, Greifswald, Germany
4. 4Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
5. 5DZHK (German Centre for Cardiovascular Research), Greifswald, Germany
6. 6Department of Internal Medicine B, University Medicine Greifswald, Greifswald, Germany