1. University of California, San Francisco, San Francisco, CA;
2. Duke University Medical Center, Durham, NC;
3. The University of North Carolina at Chapel Hill, Chapel Hill, NC;
4. Mayo Clinic Cancer Center, Rochester, MN;
5. Indiana University, Simon Cancer Center, Indianapolis, IN;
6. Medstar Washington Hospital Center, Washington, DC;
7. NSABP/NRG Oncology, and The Southeastern Medical Oncology Center, Goldsboro, NC;
8. Alliance for Clinical Trials in Oncology, Naperville, IL;
9. The University of Chicago, Chicago, IL;
10. Dana-Farber Cancer Institute, Boston, MA;
11. Memorial Sloan Kettering Cancer Center, New York, NY;
12. The Ohio State University Comprehensive Cancer Center, Arthur G. James Cancer Hospital, Columbus, OH;
13. Department of Medical Oncology, Yale University School of Medicine, New Haven, CT;
14. Oregon Health & Science University, Portland, OR;
15. American Society of Clinical Oncology, Alexandria, VA;
16. Brigham and Women's Hospital, Boston, MA;
17. University of Southern California, Los Angeles, CA;