1. Clinical Research Division, Fred Hutch, Seattle, Washington.
2. SWOG Statistical Center, Fred Hutch, Seattle, Washington.
3. Departments of Oncology and Hematology, University of Washington, Seattle, Washington.
4. VA Puget Sound Health Care System, Seattle, Washington.
5. Department of Pathology, University of New Mexico, UNM Comprehensive Cancer Center, Albuquerque, New Mexico.
6. Division of Hematology and Oncology, University of Alabama at Birmingham, Birmingham, Alabama.
7. Providence Cancer Center, Earle A. Chiles Research Institute, Portland, Oregon.
8. Departments of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington.
9. Malignant Hematology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, Florida.
10. Department of Pediatrics, University of Washington, Seattle, Washington.