1. Department of Urology, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Republic of Korea
2. College of Biological Science, University of California, Davis, CA, USA
3. Department of Urology, Korea University Anam Hospital, Republic of Korea
4. Department of Health and Medical Informatics, Kyungnam University College of Health Sciences, Changwon, Republic of Korea