1. Department of Urology University of Michigan Ann Arbor Michigan USA
2. Virginia Mason Seattle Washington USA
3. University of Pennsylvania Philadelphia Pennsylvania USA
4. Cedars‐Sinai Beverly Hills California USA
5. Memorial Hospital Miramar Miramar Florida USA
6. Eastern Virginia Medical School Norfolk Virginia USA
7. Kansas University Medical Center Kansas City Kansas USA
8. Beaumont Hospital Royal Oak Michigan USA
9. Indiana University Indianapolis Indiana USA
10. University of Texas Southwestern Medical Center Dallas Texas USA