1. Lombardi Comprehensive Cancer Center, Medstar Georgetown University Hospital, Washington, DC;
2. Alliance Statistics and Data Center, Duke University, Durham, NC;
3. Meyer Cancer Center, Weill Medical College of Cornell University and New York Presbyterian Hospital, New York, NY;
4. UNC Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC;
5. Division of Hematology, The Ohio State University, Columbus, OH;
6. University of Chicago Medicine Comprehensive Cancer Center, University of Chicago, Chicago, IL;
7. Roswell Park Cancer Institute, State University of New York at Buffalo, Buffalo, NY;
8. Dana-Farber/Partners CancerCare, Boston, MA;
9. Norris Cotton Cancer Center, The Geisel School of Medicine at Dartmouth, Lebanon, NH;
10. Cardinal Bernardin Cancer Center, Loyola University Medical Center, Maywood, IL; and
11. Siteman Cancer Center, Washington University School of Medicine, St. Louis, MO