1. Department of Diagnostic and Interventional Radiology; Eberhard Karls University Tuebingen; Germany
2. Section on Experimental Radiology; Eberhard Karls University Tuebingen; Germany
3. Institute of Signal Processing and System Theory; University of Stuttgart; Germany
4. Department of Biomedical Magnetic Resonance; Eberhard Karls University Tuebingen; Germany
5. Department of Urology; Eberhard Karls University Tuebingen; Germany