Correction to: Prostate Cancer and Prostatic Disease (2012) 15, 273–277; doi:10.1038/pcan.2011.69; published online 21 February 2012.

In this article, published online 21 February 2012, a name was omitted from the author list. YT Koh should have been listed as the fourth author. Dr Koh's affiliation is the Yong Loo Lin School of Medicine, National University of Singapore, Singapore.