About the Authors

Hyung Suk Kim

Affiliation Department of Urology, Seoul National University College of Medicine, Seoul, Korea

Myong Kim

Affiliation Department of Urology, Seoul National University College of Medicine, Seoul, Korea

Chang Wook Jeong

Affiliation Department of Urology, Seoul National University College of Medicine, Seoul, Korea

Cheol Kwak

Affiliation Department of Urology, Seoul National University College of Medicine, Seoul, Korea

Hyeon Hoe Kim

Affiliation Department of Urology, Seoul National University College of Medicine, Seoul, Korea

Ja Hyeon Ku

kuuro70@snu.ac.kr

Affiliation Department of Urology, Seoul National University College of Medicine, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HHK CK JHK CWJ. Performed the experiments: HSK MK JHK. Analyzed the data: HSK MK JHK. Contributed reagents/materials/analysis tools: HHK CK JHK CWJ. Contributed to the writing of the manuscript: HSK JHK.