1. Max Planck Institute for Biological Cybernetics, High Field Magnetic Resonance Center; Tübingen Germany
2. Graduate School of Neural and Behavioural Sciences; International Max Planck Research School; Universität Tübingen; Tübingen Germany
3. Department of Diagnostic Radiology, Magnetic Resonance Development and Application Center; University Hospital Freiburg; Freiburg Germany
4. Department for Biomedical Magnetic Resonance; University of Tübingen; Tübingen Germany