1. Columbia University Medical Center, New York, NY
2. SWOG Statistical Center, Seattle, WA
3. Fred Hutchinson Cancer Research Center, Seattle, WA
4. Community Oncology and Prevention Trials Research Group, Division of Cancer Prevention, National Cancer Institute, Bethesda, MD
5. Kaiser Permanente Northern California, Vallejo, CA
6. Central Illinois CCOP/Cancer Care Specialists of Central Illinois, Decatur, IL
7. Loma Linda University School of Pharmacy, Loma Linda, CA
8. AIM Specialty Health, Chicago, IL
9. Huntsman Cancer Institute, Salt Lake City, UT
10. Loyola University Chicago Stritch School of Medicine, Cardinal Bernardin Cancer Center, Maywood, IL