1. Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, UK
2. Clinical Trials and Statistics Unit, The Institute of Cancer Research, London, UK
3. Centre for Healthcare Randomised Trials (CHaRT), University of Aberdeen, Aberdeen, UK
4. Department of Urology, Western General Hospital, NHS Lothian, Edinburgh, UK
5. Department of Urology, South Tees Hospitals NHS Trust, Middlesbrough, UK
6. Department of Urology, Royal Devon and Exeter Hospital NHS Trust, Exeter, UK
7. Academic Urology Unit, University of Aberdeen, Aberdeen, UK
8. School of Medicine, University of Dundee, Dundee, UK
9. Department of Urology, Basingstoke and North Hampshire NHS Foundation Trust, Basingstoke, UK
10. University College London Cancer Institute, University College London Hospitals NHS Foundation Trust, London, UK
11. Health Services Research Unit, University of Aberdeen, Aberdeen, UK
12. Department of Urology, Royal Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool, UK
13. Department of Urology, Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, UK
14. Edinburgh Clinical Trials Unit, University of Edinburgh, Edinburgh, UK
15. Tyne and Wear, UK