1. Department of Radiology and Nuclear MedicineRadboud University Medical CenterNijmegen the Netherlands
2. Magnetic Resonance Systems Research Lab, Electrical Engineering, Stanford UniversityStanford CA USA
3. Erwin L. Hahn Institute for Magnetic Resonance Imaging, University Duisburg‐EssenEssen Germany
4. Medical Physics in RadiologyGerman Cancer Research CenterHeidelberg Germany