About the Authors

Hyeong Gon Kim

Affiliation Department of Urology, Konkuk University School of Medicine, Konkuk University Medical Center, Seoul, Korea

Hyoung Keun Park

Affiliation Department of Urology, Konkuk University School of Medicine, Konkuk University Medical Center, Seoul, Korea

Sung Hyun Paick

Affiliation Department of Urology, Konkuk University School of Medicine, Konkuk University Medical Center, Seoul, Korea

Woo Suk Choi

20140123@kuh.ac.kr

Affiliation Department of Urology, Konkuk University School of Medicine, Konkuk University Medical Center, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HGK HKP WSC. Performed the experiments: HGK SHP WSC. Analyzed the data: HKP WSC. Contributed reagents/materials/analysis tools: HGK HKP. Wrote the paper: HGK WSC.