1. City of Hope National Medical Center, Duarte, California
2. SWOG Statistical Center, Fred Hutchinson Cancer Research Center, Seattle, Washington
3. Karmanos Cancer Institute, Wayne State University, Detroit, Michigan
4. Vanderbilt University Medical Center, Nashville, Tennessee
5. Washington University in St Louis, St Louis, Missouri
6. Kaiser Permanente NCORP, Sacramento, California
7. University of Rochester, Rochester, New York
8. University of California, Irvine, Orange
9. Crossroads Cancer Center/Heartland NCORP, Effingham, Illinois
10. St Joseph Mercy Hospital/Michigan CRC NCORP, Ann Arbor
11. Cedars-Sinai Medical Center, Los Angeles, California
12. Cancer Therapy Evaluation Program, National Cancer Institute, Bethesda, Maryland
13. University of California, San Diego, La Jolla
14. SWOG Group Chair’s Office/Knight Cancer Institute, Oregon Health and Science University, Portland
15. Yale Cancer Center, New Haven, Connecticut