1. Department of Malignant Hematology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL;
2. SWOG Statistical Center, Seattle, WA;
3. Fred Hutchinson Cancer Research Center, Seattle, WA;
4. Division of Hematology, Stanford University, Stanford, CA;
5. Dana-Farber Cancer Institute, Boston, MA;
6. Memorial Sloan Kettering Cancer Center, New York, NY;
7. Mayo Clinic, Rochester, MN; and
8. Duke University Medical Center, Durham, NC