1Department of Radiology, Michigan State University, East Lansing, MI 48824, USA
2Department of High-field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Tübingen, 72076, Germany
3Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Zürich, Switzerland
4Institute of Pharmacology and Toxicology and Institute for Biomedical Engineering, Faculty of Medicine, University of Zurich, Zürich, Switzerland
