1. Department of Urology Yonsei University Wonju College of Medicine Wonju South Korea
2. Center of Evidence Based Medicine Yonsei University Wonju College of Medicine Wonju South Korea
3. School of Nursing and Midwifery Queen’s University Belfast Belfast UK
4. Department of Urology University of Minnesota Minneapolis MN USA
5. Division of Interventional Radiology and Vascular Imaging, Department of Radiology University of Minnesota Minneapolis MN USA
6. Yonsei Wonju Medical Library Yonsei University Wonju College of Medicine Wonju South Korea
7. Urology Section Minneapolis VA Health Care System Minneapolis MN USA