1. Department of Radiology and Biomedical Imaging Yale University New Haven Connecticut USA
2. High‐Field MR Centre Max Planck Institute for Biological Cybernetics Tübingen Germany
3. IMPRS for Cognitive and Systems Neuroscience Eberhard‐Karls University of Tübingen Tübingen Germany
4. Advanced Imaging Research Centre University of Texas Southwestern Medical Centre Dallas Texas USA
5. Department of Biomedical Magnetic Resonance Eberhard‐Karls University of Tübingen Tübingen Germany