1. Columbia University Medical Center, New York, New York
2. Fred Hutchinson Cancer Research Center, Seattle, Washington
3. SWOG Statistics and Data Management Center, Seattle, Washington
4. Mount Sinai Hospital, New York, New York
5. Kaiser Permanente Medical Center, Walnut Creek, California
6. Spectrum Health Medical Group, Grand Rapids, Michigan
7. NCORP of the Carolinas (Greenville Health System), Greenville, South Carolina
8. St Luke’s Mountain States Tumor Institute (PCRC NCORP), Boise, Idaho
9. Division of Cancer Prevention, National Cancer Institute, Bethesda, Maryland
10. AIM Specialty Health, Chicago, Illinois
11. University of Utah Huntsman Cancer Institute, Salt Lake City