1. Wellcome Sanger Institute, Hinxton CB10 1SA, UK.
2. Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, UK.
3. Department of Paediatrics, University of Cambridge, Cambridge CB2 0QQ, UK.
4. UCL Great Ormond Street Institute of Child Health, London WC1N 1EH, UK.
5. Great Ormond Street Hospital for Children NHS Foundation Trust, London WC1N 3JH, UK.
6. UCL Division of Surgery and Interventional Science, Royal Free Hospital, London NW3 2PS, UK.
7. Specialist Centre for Kidney Cancer, Royal Free Hospital, London NW3 2PS, UK.
8. Department of Surgery, University of Cambridge, Cambridge CB2 0QQ, UK.
9. Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK.
10. Department of Haematology and Oncology, Royal Hospital for Sick Children, Edinburgh EH9 1LF, UK.
11. Department of Paediatric Nephrology, Royal Hospital for Children, Glasgow G51 4TF, UK.
12. Big Data Institute, University of Oxford, Oxford OX3 7LF, UK.
13. Oxford NIHR Biomedical Research Centre, John Radcliffe Hospital, Oxford OX3 9DU, UK.
14. Princess Máxima Center for Pediatric Oncology, Oncode Institute, 3584 CS Utrecht, Netherlands.