1. Department of Internal Medicine B University Medicine Greifswald Greifswald Germany
2. German Centre of Cardiovascular Research (DZHK), partner site Greifswald Greifswald Germany
3. Institute of Clinical Chemistry and Laboratory Medicine University Medicine Greifswald Greifswald Germany
4. Vivantes Klinikum Spandau Berlin Germany
5. Vivantes Klinikum Neukölln Berlin Germany