1. Clinical Effectiveness Unit; Royal College of Surgeons of England; London UK
2. London School of Hygiene and Tropical Medicine; London UK
3. MRC Centre for Transplantation; King's College London; London UK
4. Department of Oncology; University College London Hospitals; London UK
5. Department of Urology; Christie and Salford Royal NHS Foundation Trusts; Manchester UK
6. Department of Urology; Guy's and St Thomas' NHS Foundation Trust; London UK