1. Department of Urology; Rechts der Isar Medical Center, Technical University of Munich; Munich Germany
2. Department of Urology and Pediatric Urology; University Hospital Ulm, University of Ulm; Ulm Germany
3. Department of Urology; Chonnam National University Medical School, Chonnam National University Hwasun Hospital; Hwasun Korea, South
4. Graduate school; Yonsei University Wonju College of Medicine; Wonju Korea, South
5. Department of Urology; Emory University; Atlanta Georgia USA
6. Health Sciences Libraries; University of Minnesota; Minneapolis Minnesota USA
7. Department of Urology and Pediatric Urology; Klinikum Bayreuth; Bayreuth Germany
8. UroEvidence@Deutsche Gesellschaft für Urologie; Berlin Germany
9. Urology Section; Minneapolis VA Health Care System; Minneapolis Minnesota USA
10. Department of Urology; University of Minnesota; Minneapolis Minnesota USA