1. Laboratory for Biomolecular Magnetic Resonance, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland, Laboratory for Functional and Metabolic Imaging, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland, Department of Radiology, University of Lausanne, CH-1015 Lausanne, Switzerland, Laboratory for Physics of Nanostructured Materials, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland, Department of Radiology, University of Geneva, CH-1015 Geneva...