1. UroEvidence@Deutsche Gesellschaft für Urologie, Berlin, Germany.
2. Department of Urology, University Hospital Erlangen, Erlangen, Germany.
3. Velindre NHS Trust, Cardiff University Library Services, Cardiff, United Kingdom.
4. Department of Urology, University of Rostock, Rostock, Germany.
5. Department of Urology, University of Muenster Medical Center, Muenster, Germany.
6. Clinic of Neurology and Neurophysiology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
7. Institute of Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany.
8. Urology Section, Minneapolis VA Health Care System, Minneapolis, MN, USA.
9. Department of Urology, University of Minnesota, Minneapolis, MN, USA.
10. Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
11. Cochrane Germany, Cochrane Germany Foundation, Freiburg, Germany.