1 Department of Internal Medicine I-Cardiology, University Hospital Würzburg, and Comprehensive Heart Failure Center (CHFC), University of Würzburg, Oberduerrbacher Str. 6, 97080 Würzburg, Germany.
2 Department of Internal Medicine II-Hematology and Oncology, University Hospital Würzburg, Oberduerrbacher Str. 6, 97080 Würzburg, Germany.