1. Department of Internal Medicine I, Cardiology, University Hospital Aachen, RWTH Aachen University , Aachen , Germany
2. Department of Medicine I, Division of Nephrology, University Hospital Würzburg , Würzburg , Germany
3. Institute for Molecular Cardiovascular Research, RWTH Aachen University, University Hospital , Aachen , Germany
4. SYNLAB Academy, SYNLAB Holding Deutschland GmbH, Germany and Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz , Austria
5. Medical Clinic V Medical Faculty of Mannheim, University of Heidelberg , Germany High5Data GmbH , Germany