1. Department of Chemistry, University of Southampton, Southampton SO17 1BJ,
United Kingdom
2. Department
of Electrical Engineering, Technical University of Denmark, Lyngby 2800, Denmark
3. The
MR Research Centre, Aarhus University Hospital, Aarhus 8200, Denmark
4. Danish Research Centre for Magnetic
Resonance, Hvidovre Hospital, Hvidovre
2650, Denmark
5. GE Healthcare, Park Alle 295, Broendby 2605, Denmark