About the Authors
- Hwanik Kim, Myong Kim, Cheol Kwak, Hyeon Hoe Kim, Ja Hyeon Ku
- Department of Urology, Seoul National University College of Medicine, Seoul, Korea
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JHK CK HHK. Analyzed the data: HK MK JHK. Wrote the paper: HK. Critical comments: CK HHK. Quality assessments of articles: MK HK JHK.