1. Department of Urology; Graduate School of Medicine; The University of Tokyo; Tokyo Japan
2. Department of Urology; Ueda Clinic; Kyoto Japan
3. Department of Urology; Tokyo Women's Medical University Medical Center East; Tokyo Japan
4. Department of Urology; National Yang Ming University and Taipei Veterans General Hospital; Taipei Taiwan
5. Department of Urology; Buddhist Tzu Chi General Hospital and School of Medicine; Tzu Chi University Hualien Taiwan
6. Department of Urology; Feng-Yuan Hospital; Taichung Taiwan
7. Department of Urology; Seoul National University; Seoul Korea
8. Department of Urology; The Catholic University of Korea; Seoul Korea
9. Department of Urology; Sung Kyun Kwan University School of Medicine; Seoul Korea