1. Department of Oncology, University of Cambridge, Cambridge Biomedical Campus, Addenbrooke's Hospital, Cambridge, UK
2. Metabolic Research Laboratories, Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Cambridge, UK
3. National Institute for Health Research, Cambridge Biomedical Research Campus, Addenbrooke’s Hospital, Cambridge, UK
4. Department of Radiology, Addenbrooke's Hospital, Cambridge, UK