1. Division of Surgery and Interventional Science, University College London, London, United Kingdom
2. Department of Urology, University College Hospitals National Health Service Foundation Trust, London, United Kingdom
3. Department of Urology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
4. Department of Histopathology, University College Hospitals National Health Service Foundation Trust, London, United Kingdom
5. Department of Urology, Royal Free Hospital National Health Service Trust, London, United Kingdom
6. Centre for Medical Imaging Computing, University College London, London, United Kingdom