[1] Royal Brisbane & Womens Hosp, Dept Urol, Brisbane, Qld 4000, Australia
[2] Royal Brisbane & Womens Hosp, Dept Radiol, Brisbane, Qld 4000, Australia
[3] Qeensland TB Control Ctr Queensland Hlth, Brisbane, Qld, Australia
[4] Univ Queensland, Clin Res Ctr, Brisbane, Qld, Australia