After the publication of the article, the authors noted that they would like to add Dr Robert H. Getzenberg's name to the authors' list and as a co-corresponding author, upon the agreement of all the authors. The correct author list should be as follows: BO YIN1, MO ZHANG1, YU ZENG2,3*, YOUQIANG LI3, CHAO ZHANG1, ROBERT H. GETZENBERG3* and YONGSHENG SONG1* 1Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004; 2Department of Urology, The First Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China; 3James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, MD 21087, USA Correspondence should now be addressed to: Correspondence to: Dr Yongsheng Song, Department of Urology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang, Liaoning 110004, P.R. China E-mail: yinbowzf@163.com Dr Robert H. Getzenberg, James Buchanan Brady Urological Institute, The Johns Hopkins University School of Medicine, Baltimore, MD 21087, USA E-mail: getzenberg@outlook.com *Contributed equally [the original article was published in the International Journal of Oncology 48: 1730-1736, 2016; DOI: 10.3892/ijo.2016.3396].