1. Dana-Farber Cancer Institute and Harvard University School of Medicine, Boston, MA;
2. Duke University Medical Center, Durham, NC;
3. Moffitt Cancer Center, Tampa, FL;
4. The Johns Hopkins Hospital, Baltimore, MD;
5. Yale School of Medicine, New Haven, CT;
6. University of California, Los Angeles, Los Angeles, CA;
7. Bristol-Myers Squibb, Princeton, NJ;
8. Emory University School of Medicine, Atlanta, GA;
9. Memorial Sloan Kettering Cancer Center, New York, NY;