1. Physikalisch-Technische Bundesanstalt (PTB), Braunschweig and Berlin, Germany
2. Klinik für Kardiologie, Charité Campus Benjamin Franklin, Universitätsmedizin Berlin, Berlin, Germany
3. Berlin Institute of Health, Berlin, Germany
4. Department of Radiology, Charité, Universitätsmedizin Berlin, Berlin, Germany
5. Department of Diagnostic and Interventional Radiology, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany