1. Tissue Engineering and Regenerative Medicine, Northwick Park Institute for Medical Research (NPIMR), Harrow, UK
2. Department of Materials Science, Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, Erlangen, Germany
3. Antigen Presentation Research Group, Imperial College London, London, UK
4. Nuffield Department of Surgical Sciences, Oxford Transplant Centre, University of Oxford, Oxford, UK