1. Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center Kiel, Kiel University, Am Botanischene Garten 14, 24118 Kiel, Germany
2. High-Field Magnetic Resonance Center, Max Planck Institute for Biological Cybernetics, Max-Planck-Ring 11, 72076 Tübingen, Germany
3. Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy
4. NMR Signal Enhancement Group, Max Planck Institute for Multidisciplinary Sciences, Am Fassberg 11, 37077 Göttingen, Germany
5. Department for Biomedical Magnetic Resonance, University of Tübingen, 72076 Tübingen, Germany
6. Otto-von-Guericke University, Medical Faculty, Institute of Biometry and Medical Informatics, Leipziger Str. 44, 39120 Magdeburg, Germany
7. Department ‘Biosignals’, Physikalisch-Technische Bundesanstalt, Abbestraße 2-12, 10587 Berlin, Germany
8. Departments of Chemistry and Physics, North Carolina State University, Raleigh, North Carolina 27695, United States
9. Joint UNC-NC State Department of Biomedical Engineering, North Carolina State University, Raleigh, North Carolina 27606, United States