About the Authors

Won Sik Jang

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

Lawrence H. C. Kim

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

Cheol Yong Yoon

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

Koon Ho Rha

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

Young Deuk Choi

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

Sung Joon Hong

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

Won Sik Ham

uroham@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

Conceptualization: WSJ WSH. Data curation: WSJ CYY WSH. Formal analysis: WSJ WSH. Funding acquisition: WSH. Investigation: WSJ WSH. Methodology: WSJ WSH. Project administration: WSH KHR YDC SJH. Resources: KHR YDC SJH. Software: WSJ CYY. Supervision: WSH KHR YDC SJH. Validation: WSH KHR. Visualization: WSJ WSH. Writing – original draft: WSJ LHCK. Writing – review & editing: CYY.