1. The University of Texas MD Anderson Cancer Center, Houston
2. Memorial Sloan Kettering Cancer Center, New York, New York
3. City of Hope National Medical Center, Duarte, California
4. University of Chicago, Chicago, Illinois
5. Fox Chase Comprehensive Cancer Center, Philadelphia, Pennsylvania
6. Helen Diller Family Comprehensive Cancer Center, University of California San Francisco
7. Winship Cancer Institute, Emory University, Atlanta, Georgia
8. The University of Texas at Southwestern Medical Center, Dallas
9. Henry Ford Cancer Institute, Detroit, Michigan
10. Yale School of Medicine, New Haven, Connecticut
11. Schulich School of Medicine & Dentistry, University of Western Ontario, London, Ontario, Canada
12. Mount Sinai Health System, New York, New York
13. New York Proton Center, New York, New York