1. Department of Urology, Spire Hospital, Little Aston, Birmingham, UK.
2. Department of Urology, Aston University, Birmingham, UK.
3. Trends in Urology and Men’s Health, Letchworth, UK.
4. Faculty of Health & Human Sciences, University of Hertfordshire & The Prostate Centre, London, UK.
5. Department of Urology, University Hospital Southampton and UCLH, London, UK.
6. Department of Endocrinology, Barnsley Hospital, Barnsley, UK.
7. Department of Biochemistry, Royal Hallamshire Hospital, University of Sheffield Medical School, Sheffield, UK.
8. Division of Surgery and Interventional Science, NIHR Biomedical Research Centre UCLH, London, UK.
9. Department of Biochemistry, Black Country Pathology Services, Walsall Manor Hospital, Walsall, UK.
10. Cardiff and Vale NHS Trust, Cardiff, UK.
11. University of South Wales TDS, Bridgend, UK.
12. Department of Cardiology, University of Cape Coast, Cape Coast, Ghana.
13. Portway Surgery, Porthcawl, UK.
14. Leamington Spa, UK.
15. Department of Nephrology, NCA, Salford Royal Hospital, Salford, UK.
16. Department of Clinical Biochemistry, University Hospitals Birmingham NHS Foundation Trust, Sutton Coldfield, West Midlands, UK.