1. Urology Section; Minneapolis VA Health Care System; Minneapolis Minnesota USA
2. Department of Urology; University of Minnesota; Minneapolis Minnesota USA
3. Department of Urology; University Medical Center; Goettingen Germany
4. UroEvidence@Deutsche Gesellschaft für Urologie; Berlin Germany
5. Department of Urology and Pediatric Urology; University Hospital Erlangen; Erlangen Germany
6. Comprehensive Cancer Center Erlangen-EMN (CCC ER-EMN); Erlangen Germany
7. Library Services; Children's Mercy Hospital; Kansas City Missouri USA
8. Center for Evidence-Based Policy; Portland Oregon USA
9. Medizinische Fakultät am Medizincampus Oberfranken; Friedrich-Alexander-Universität Erlangen-Nürnberg; Erlangen Germany
10. Department of Urology and Pediatric Urology; Klinikum Bayreuth GmbH; Bayreuth Germany