Correction to: Prostate Cancer and Prostatic Diseases (2013) advance online publication 15 October 2013; doi:10.1038/pcan.2013.44

Following publication of the above article, the authors noticed that Appendixes 1 and 2 were presented incorrectly. Appendix 1 appeared without boxes indicating where selections could be made. The first half of Appendix 2 was repeated, and the second half was omitted. The corrected appendixes appear below. The publisher regrets the errors.