1. Institute of Cellular Medicine; Newcastle University; Newcastle upon Tyne UK
2. Newcastle Magnetic Resonance Center; Newcastle University; Newcastle upon Tyne UK
3. Northern Institute for Cancer Research; Newcastle University; Newcastle upon Tyne UK
4. Medical Toxicology Center; Newcastle University; Newcastle upon Tyne UK
5. Philips Healthcare Clinical Science; Guildford UK
6. Joint Department of Biomedical Engineering; University of North Carolina, Chapel Hill and North Carolina State University; Raleigh NC