1. Institute of Cell and Molecular Biosciences; Medical School; Newcastle University; Newcastle upon Tyne UK
2. Institute of Cellular Medicine; Medical School; Newcastle University; Newcastle upon Tyne UK
3. Department of Urology; Newcastle upon Tyne Hospitals NHS Trust; Newcastle upon Tyne UK
4. Department of Urology and Regional Spinal Injuries Unit; Mid Yorkshire Hospitals NHS Trust; Newcastle upon Tyne UK