1. High-Field Magnetic Resonance Department, Max Planck Institute for Biological Cybernetics , 72076 Tübingen , Germany
2. Graduate Training Centre of Neuroscience , International Max Planck Research School (IMPRS), , 72076 Tübingen , Germany
3. University of Tübingen , International Max Planck Research School (IMPRS), , 72076 Tübingen , Germany
4. Cognitive and Systems Neuroscience Group , Swammerdam Institute for Life Sciences, Faculty of Science, , 1098XH Amsterdam , The Netherlands
5. University of Amsterdam , Swammerdam Institute for Life Sciences, Faculty of Science, , 1098XH Amsterdam , The Netherlands
6. Medical Imaging Physics, Institute of Neuroscience and Medicine (INM-4), Forschungszentrum Jülich , 52425 Jülich , Germany
7. Athinoula A. Martinos Center for Biomedical Imaging , Massachusetts General Hospital, , Charlestown, MA 02129 , United States
8. Harvard Medical School , Massachusetts General Hospital, , Charlestown, MA 02129 , United States