1. Health Economics Research Unit, University of Aberdeen, Aberdeen, Scotland
2. Research Department of Urology, Division of Surgery and Interventional Science, Faculty of Medicine, University College London, London, UK
3. Health and Social Care, Adult Nursing, London South Bank University, London, UK
4. Department of Urology, UCLH NHS Foundation Trust, London, UK
5. Division of Surgery (HUA), Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London, UK
6. Imperial Urology, Healthcare NHS Trust, London, UK