1. Bristol Urological Institute; North Bristol NHS Trust; Southmead Hospital; Westbury-on-Trym, Bristol UK
2. Centre for Statistics in Medicine; Botnar Research Centre; University of Oxford; Oxford UK
3. British Association of Urological Surgeons; London UK
4. King's Health Partners; Guys Hospital; King's College London; London UK
5. Exeter Surgical Health Services Research Unit; Royal Devon and Exeter Hospital; Exeter UK
6. University College London Hospital NHS Foundation Trust; London UK
7. Nuffield Department of Surgical Sciences; University of Oxford; Oxford UK