1. Institute of Biomedical Engineering Karlsruhe Institute of Technology (KIT) Karlsruhe Germany
2. Department of Cardiology University Hospital Heidelberg Heidelberg Germany
3. Institute for Experimental Cardiovascular Medicine University Heart Center Freiburg, Bad Krozingen, Medical Center, University of Freiburg Freiburg Germany
4. Faculty of Medicine University of Freiburg Freiburg Germany