1. Chair of Biomedical Physics, School of Natural Sciences, Munich Institute of Biomedical Engineering, Technical University of Munich, Garching, Germany
2. Munich Institute of Biomedical Engineering, Technical University of Munich, Garching, Germany
3. Department of Diagnostic and Interventional Radiology, School of Medicine and Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
4. Philips Research, Hamburg, Germany