1. Roswell Park Cancer Institute; Buffalo NY USA
2. Cairo University; Cairo Egypt
3. University of the Saarland; Homburg Saar Germany
4. Rijnstate Hospital; Arnhem The Netherlands
5. The Arthur Smith Institute for Urology; New York NY USA
6. Beth Israel Deaconess Medical Center; Boston MA USA
7. City of Hope and Beckman Research Institute; Duarte CA USA
8. Fundacio Puigvert; Barcelona Spain
9. Guy's Hospital and King's College London School of Medicine; University College London; London UK
10. Henry Ford Health System; Detroit MI USA
11. Karolinska University Hospital; Stockholm Sweden
12. San Raffaele Turro Hospital; Milan Italy
13. Urological Surgical Associates of Delaware; Wilmington DE USA
14. Onze-Lieve-Vrouw Ziekenhuis; Aalast Belgium
15. Department of Urology; Yonsei University Health System Severance Hospital; Seoul Korea
16. Wake Forest University Baptist Medical Center; Winston-Salem NC USA
17. Division of Surgery and Interventional Science; University College London; London UK
18. Michigan State University; Metro Health Hospital; Grand Rapids MI USA
19. Doctor's Hospital of Athens; Athens Greece
20. Glickman Urological and Kidney Institute; Cleveland Clinic OH USA
21. School of Medicine; Ankara Ataturk Training and Research Hospital; Yildirim Beyazit University; Ankara Turkey