1. Department of Urology, South Warwickshire University NHS Foundation Trust, Warwick, UK
2. Department of Urology, Mid and South Essex NHS Foundation Trust, Chelmsford, UK
3. Department of Infection, University Hospital Southampton NHS Foundation Trust, Southampton, UK
4. Department of Clinical and Experimental Sciences, University of Southampton, Southampton, UK
5. Department of Urology, Haukeland University Hospital, Bergen, Norway
6. Department of Urology, University Hospital Southampton NHS Foundation Trust, Southampton, UK