1. Department of Urology, Prostate Cancer Center, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
2. Department of Urology, Seoul Hyocheon Foundation Medical Corporation H Plus YangJi Hospital, Seoul 08779, Republic of Korea
3. Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
4. Department of Ophthalmology, Yeouido St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
5. Department of Urology, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
6. Department of Ophthalmology, Institute of Vision Research, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
7. Center of Evidence Based Medicine, Institute of Convergence Science, Yonsei University, Seoul 03722, Republic of Korea