1. Associate Cochrane Centre; Instituto Universitario Hospital Italiano de Buenos Aires; Buenos Aires Argentina
2. Institute of General Practice; Medical Faculty of the Heinrich-Heine-University Düsseldorf; Düsseldorf Germany
3. Section of Medical Oncology; Hospital General de Agudos Carlos G. Durand; Buenos Aires Argentina
4. Department of Nephrology and Hypertension and Julius Center for Health Sciences and Primary Care; University Medical Center Utrecht; Utrecht Netherlands
5. Department of Urology; Yonsei University Wonju College of Medicine; Wonju Korea, South
6. Center of Evidence-Based Medicine, Institute of Convergence Science; Yonsei University; Seoul Korea, South
7. Department of Urology; Chonnam National University Medical School, Chonnam National University Hwasun Hospital; Hwasun Korea, South
8. Cochrane Netherlands; Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University; Utrecht Netherlands
9. Urology; University of Minnesota; Minneapolis Minnesota USA
10. Velindre University NHS Trust; Cardiff University Library Services; Cardiff UK
11. Urology Section; Minneapolis VA Health Care System; Minneapolis Minnesota USA