1. Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston
2. Cancer Research and Biostatics, Seattle, Washington
3. Department of Radiation Oncology, University of Michigan, Ann Arbor
4. Department of Pathology, Genomic Health Inc, Redwood City, California
5. Department of Pathology, University of California San Francisco, San Francisco
6. Department of Medicine, McMaster University, Hamilton, Ontario, Canada
7. Division of Medical Oncology, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania
8. Division of Medical Oncology, Fred Hutchinson Cancer Research Center, Seattle, Washington
9. Division of Medical Oncology, Department of Oncology, Mayo Clinic, Rochester, Minnesota
10. Department of Surgery, Dana-Farber Cancer Institute, Boston, Massachusetts
11. Department of Medicine, Cancer Therapy & Research Center, University of Texas Health Science Center, San Antonio
12. Department of Medicine, Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, Texas
13. Department of Breast Medical Oncology, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston
14. Department of Medicine, Division of Hematology and Oncology, University of Arizona, Tucson
15. Department of Medicine, Division of Oncology, University of Washington/Seattle Cancer Care Alliance, Seattle
16. Department of Internal Medicine, University of Michigan, Ann Arbor
17. Department of Medicine, Division of Hematology/Oncology, Loyola University Chicago Stritch School of Medicine, Maywood, Illinois