1. 1Institute of Laboratory Medicine, Clinical Chemistry, and Molecular Diagnostics, University Hospital Leipzig, Leipzig University, Leipzig, Germany
2. 2Institute of Transfusion Medicine, University Hospital Leipzig, Leipzig University, Leipzig, Germany
3. 3Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG), Helmholtz Center Munich, University Hospital Leipzig, University of Leipzig, Leipzig, Germany
4. 4Medical Department III – Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, Leipzig, Germany