1 Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, QLD, Australia.
2 Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, Australia.
3 Department of Urology, Royal Brisbane and Women's Hospital, Brisbane, QLD, Australia; University of Queensland Centre for Clinical Research, QLD 4029, Australia. Electronic address: f.gardiner@uq.edu.au.