1. The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins School of Medicine, Baltimore, Maryland. 1
2. Dana Farber Cancer Institute–ECOG-ACRIN Biostatistics Center, Boston, Massachusetts. 2
3. Veterans Administration New Jersey Health Care System, East Orange, New Jersey. 3
4. Rutgers New Jersey Medical School, Newark, New Jersey. 4
5. Indiana University School of Medicine, Indianapolis, Indiana. 5
6. University of Hawaii Cancer Center, Honolulu, Hawaii. 6
7. Columbia Saint Mary’s Hospital, Milwaukee, Wisconsin. 7
8. Heartland Cancer Research NCORP-Missouri Baptist Medical Center, Saint Louis, Missouri. 8
9. Minnesota Oncology Hematology, Minneapolis, Minnesota. 9
10. Abramson Cancer Center at Chester County Hospital, West Chester, Pennsylvania. 10
11. Main Line Oncology Hematology Associates, Wynnewood, Pennsylvania. 11
12. Northwestern Medicine, Chicago, Illinois. 12
13. Saint Joseph Mercy Oakland, Pontiac, Michigan. 13
14. Kaiser Permanente NCORP, Southern California Kaiser Permanente, Los Angeles, California. 14
15. University of Michigan Rogel Cancer Center, Ann Arbor, Michigan. 15
16. Mayo Clinic, Rochester, Minnesota. 16
17. Abbott Northwestern Hospital, Woodbury, Minnesota. 17
18. Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania. 18
19. University of Texas MD Anderson Cancer Center, Houston, Texas. 19
20. Icahn School of Medicine at Mount Sinai, Tisch Cancer Institute, New York, New York. 20
21. Wake Forest School of Medicine, Winston Salem, North Carolina. 21