1. Department of Internal Medicine I, Division of Cardiology, Angiology and Intensive Medical Care (P.C.S., J.B., J.W., P.A., F.H., S.G., S.M.-W.), Friedrich-Schiller-University, University Hospital Jena, Germany.
2. Department of Cardiology and Pneumology, Georg-August-University, University Medical Centre Göttingen, Germany (S.v.H.).
3. German Center for Cardiovascular Research (DZHK), partner site Göttingen, Germany (S.v.H.).
4. Center for Clinical Studies (U.S.), Friedrich-Schiller-University, University Hospital Jena, Germany.
5. Department of Internal Medicine III, Division of Nephrology (M.B.), Friedrich-Schiller-University, University Hospital Jena, Germany.