1. Department of Public Health, Epidemiology and Biostatistics, School of Population Sciences, and School of Cancer Sciences, University of Birmingham Birmingham, UK
2. Cancer Research UK Clinical Trials Unit, University of Birmingham Birmingham, UK
3. Department of Urology, The County Hospital Hereford, UK
4. Unit of Genetic Epidemiology, Department of Public Health, Epidemiology and Biostatistics, School of Population Sciences, University of Birmingham, UK and Department of Complex Genetics, Cluster of Genetics and Cell Biology, Nutrition and Toxicology Research Institute Maastricht, Maastricht University The Netherlands
5. Department of Urology, The Queen Elizabeth Hospital Birmingham, UK