1. State University of New York Upstate Medical University, New York, NY
2. Alliance Statistics and Data Management Center, Duke University, Durham, NC
3. Delaware/Christiana Care NCORP, Helen Graham Cancer Center, Newark, DE
4. MD Anderson Cancer Center, University of Texas, Houston, TX
5. University of Colorado Denver Health Science Center, Denver, CO
6. University of Colorado School of Medicine, Aurora, CO
7. University of Alabama, Birmingham, AL
8. Southeast Clinical Oncology Research Consortium NCORP, FirstHealth of the Carolinas-Moore Regional Hospital, Pinehurst, NC
9. Washington University—Siteman Cancer Center, St Louis, MO
10. Wake Forest University Health Sciences, Winston-Salem, NC
11. Duke Cancer Institute, Duke University Medical Center, Durham, NC
12. Winship Cancer Institute, Emory University, Atlanta, GA
13. University of Chicago Comprehensive Cancer Center, Chicago, IL