1. Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
2. American Cancer Society, Atlanta, GA, USA
3. City of Hope National Medical Center, Duarte, CA, USA
4. University of Illinois at Urbana-Champaign, Champaign, IL, USA
5. University of Tennessee Health Science Center, Memphis, TN, USA
6. University of Utah, Salt Lake City, UT, USA
7. University of Texas M.D. Anderson Cancer Center, Houston, TX, USA
8. School of Medicine, University of Kansas Medical Center, Kansas City, KS, USA
9. University of Colorado Denver, Denver, CO, USA
10. Pennington Biomedical Research Center, Baton Rouge, LA, USA
11. University of Connecticut, Mansfield, CT, USA
12. Weill Cornell Medical College, New York City, NY, USA
13. UPMC Health Plan, Pittsburgh, PA, USA
14. Northwestern University Feinberg School of Medicine, Chicago, IL, USA
15. Fred Hutchinson Cancer Research Center, Seattle, WA, USA