1. Department of Urology, Yonsei University College of Medicine, Seoul, Republic of Korea
2. Severance Hospital and Urological Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
3. Department of Urology, Sarawak General Hospital, Kuching, Malaysia
4. Department of Urology, Inje University College of Medicine, Busan, Republic of Korea
5. Department of Urology, Chungbuk National University College of Medicine, Cheongju, Republic of Korea
6. Clinical Trial Center for Medical Device, Yonsei University College of Medicine, Seoul, Republic of Korea