1 Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, Fitzrovia, London, W1W 7TS, UK. [email protected].
2 Department of Urology, University College London Hospital, London, UK. [email protected].
3 Department of Histopathology, University College London Hospital, London, UK.
4 Surgical and Interventional Trials Unit, University College London, London, UK.
5 Department of Urology, University College London Hospital, London, UK.
6 Department of Urology, North Bristol Hospitals Trust, Bristol, UK.
7 Department of Urology, Sheffield Teaching Hospitals NHS Trust, Sheffield, UK.
8 Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, Fitzrovia, London, W1W 7TS, UK.