1. Department of Dermatology University College London Hospitals NHS Trust London UK
2. Department of Dermatology Imperial College Healthcare NHS Trust London UK
3. Department of Histopathology University College London Hospitals NHS Trust London UK
4. Department of Histopathology Imperial College Healthcare NHS Trust London UK
5. Department of Urology University College London Hospitals NHS Trust London UK
6. National Institute of Health Research Centre University College London Hospitals NHS Trust London UK
7. Division of Surgery and Interventional Science University College London London UK