1. Department of Nephrology and Rheumatology, University Medical Center Göttingen, 37075 Göttingen, Germany
2. Center for Biostructural Imaging of Neurodegeneration (BIN), University Medical Center Göttingen, 37075 Göttingen, Germany
3. Institute for Clinical Chemistry, University Medical Center Göttingen, 37075 Göttingen, Germany
4. Department of Nephrology, St. Josefs-Hospital, 49661 Cloppenburg, Germany
5. German Center for Cardiovascular Research (DZHK), Partner Site Göttingen, 37075 Göttingen, Germany