1. Department of Urology; Samsung Medical Center; Sungkyunkwan University School of Medicine; Seoul Korea
2. Department of Urology; Center for Prostate Cancer; Research Institute and Hospital of the National Cancer Center; Goyang Korea
3. Department of Urology; Gyeongsang National University Hospital; Jinju Korea
4. Department of Medical Device Management and Research; SAIHST; Sungkyunkwan University; Seoul Korea