1. Centre for Hyperpolarization in Magnetic Resonance
2. University of York
3. York
4. UK
5. Institut de Chimie de Clermont-Ferrand
6. Université Clermont Auvergne
7. Université Blaise Pascal and CNRS
8. F-63000 Clermont-Ferrand
9. France
10. GlaxoSmithKline Research & Development Limited
11. Hertfordshire