1. Chair of Biomedical Physics, Department of Physics and Munich School of BioEngineering, Technical University of Munich, Garching, Germany
2. Karlsruhe Institute of Technology, Institute of Microstructure Technology, Eggenstein-Leopoldshafen, Germany
3. Philips Research, Hamburg, Germany
4. Philips Medical Systems DMC GmbH, Hamburg, Germany
5. Philips Research Eindhoven, Eindhoven, The Netherlands
6. Department of Diagnostic and Interventional Radiology, School of Medicine and Klinikum rechts der Isar, Technical University of Munich, München, Germany