1 Academic Urology Unit, University of Aberdeen, Aberdeen, UK.
2 University of the Philippines-Manila, Manila, Philippines.
3 Academic Urology Unit, University of Aberdeen, Aberdeen, UK; Department of Urology, Aberdeen Royal Infirmary, Aberdeen, UK.
4 Department of Public Health, University of Aberdeen, UK.
5 Health Services Research Unit, University of Aberdeen, UK.
6 Division of Urology, University of Texas Medical School at Houston, Houston, TX, USA.
7 Department of Urology, Aberdeen Royal Infirmary, Aberdeen, UK.
8 Department of Urology, University Hospitals of Leicester NHS Trust, Leicester General Hospital, Leicester, UK.
9 Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå, University, Umeå, Sweden.
10 Academic Urology Unit, University of Aberdeen, Aberdeen, UK; Department of Urology, Aberdeen Royal Infirmary, Aberdeen, UK. Electronic address: j.ndow@abdn.ac.uk.