1. Duke Cancer Institute Division of Medical Oncology Department of Medicine Duke University Medical Center Durham North Carolina
2. University of Chicago Chicago Illinois
3. University of Michigan Medical Center Ann Arbor Michigan
4. Johns Hopkins University Baltimore Maryland
5. University of Pittsburgh Pittsburgh Pennsylvania
6. Oregon Health and Science University Center for Health Portland Oregon
7. Rocky Mountain Cancer Centers Aurora Colorado
8. Virginia Oncology Associates Norfolk Virginia
9. Lineberger Comprehensive Cancer Center University of North Carolina–Chapel Hill Chapel Hill North Carolina
10. Ohio State University Comprehensive Cancer Center Columbus Ohio
11. Carolina Urologic Research Center Myrtle Beach South Carolina
12. Dana‐Farber Cancer Institute Boston Massachusetts
13. Merck & Co, Inc North Wales Pennsylvania
14. Acerta Pharma (a member of the AstraZeneca group) South San Francisco California
15. Division of Surgical Sciences Department of Surgery Duke University Medical Center Durham North Carolina
16. Department of Biostatistics and Bioinformatics Duke University Medical Center Durham North Carolina
17. Duke Clinical Research Institute Durham North Carolina