About the Authors

Tae Beom Kim

Affiliation Department of Urology, Gachon University Gil Hospital, Incheon, Republic of Korea

Jin Kyu Oh

Affiliation Department of Urology, Gachon University Gil Hospital, Incheon, Republic of Korea

Kwang Taek Kim

Affiliation Department of Urology, Gachon University Gil Hospital, Incheon, Republic of Korea

Sang Jin Yoon

Affiliation Department of Urology, Gachon University Gil Hospital, Incheon, Republic of Korea

Soo Woong Kim

swkim@snu.ac.kr

Affiliation Department of Urology, Seoul National University Hospital, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TBK SWK. Performed the experiments: TBK JKO. Analyzed the data: KTK SJY. Wrote the paper: TBK SWK.