1. Comprehensive Heart Failure Center, University of Würzburg, Würzburg, Germany
2. Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany
3. Department of Diagnostic and Interventional Radiology, University of Würzburg, Würzburg, Germany
4. Institute of Pharmacy and Food Chemistry, Chair of Food Chemistry, University of Würzburg, Würzburg, Germany
5. Department of Internal Medicine, University Greifswald, Greifswald, Germany