1. Department of Nuclear Medicine, University Hospital Würzburg, Würzburg, Germany
2. Department of Internal Medicine, University Hospital Würzburg, Würzburg, Germany
3. Comprehensive Heart Failure Center, University Würzburg, Würzburg, Germany
4. Department of Internal Medicine II - Pneumology/Cardiology, University Hospital Bonn, Bonn, Germany
5. Department of Nuclear Medicine, University Hospital Bonn, Bonn, Germany
6. Department of Radiology, University Hospital Bonn, Bonn, Germany