About the Authors

Young Eun Yoon

Affiliation Department of Urology, Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea

Kwang Suk Lee

Affiliation Department of Urology, Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea

Kyung Hwa Choi

Affiliation Department of Urology, CHA Bundang Medical Center, CHA University, Seongnam-si, Korea

Kwang Hyun Kim

Affiliation Department of Urology, Ewha Womans University Mokdong Hospital, Seoul, Korea

Seung Choul Yang

Affiliation Department of Urology, Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea

Woong Kyu Han

hanwk@yuhs.ac

Affiliation Department of Urology, Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SCY WKH. Performed the experiments: YEY KSL WKH. Analyzed the data: YEY KSL KHC KHK. Contributed reagents/materials/analysis tools: YEY KHK SCY WKH. Wrote the paper: YEY KHC WKH.