- Correspondence to Dr Hyun Moo Lee, Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong, Gangnam-gu, Seoul 135-710, Korea;
- Received June 10, 2013
- Revised July 19, 2013
- Accepted July 20, 2013
- First published August 12, 2013.
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