1. Liver Unit, Wellington Hospital, London NW8 9TA, UK
2. Centre for Surgical Innovation, Organ Regeneration and Transplantation, University College London, London NW3 2PS, UK
3. Clinical Service of HPB Surgery and Liver Transplantation, Royal Free Hospital, London NW3 2QG, UK
4. Cancer Institute, University College London, London WC1E 6DD, UK
5. Division of Surgery and Interventional Science, University College London, London NW3 2PS, UK
6. Department of Mechanical Engineering, University College London, London WC1E 7JE, UK
7. Institute of Child Health, University College London, London WC1N 1EH, UK