1. Department of Urology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
2. Department of Urology, Institute of Biomedical Industry, College of Medicine, The Catholic University of Korea, Seoul, Korea.
3. Korea Biomedical Science Institute, Seoul, Korea.
4. Catholic Integrative Medicine Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea.