1. 1Department of Medicine, Residency Program, University of Washington,
2. 2Public Health Sciences Division, Fred Hutchinson Cancer Research Center,
3. 3Department of Medicine, Division of Hematology, University of Washington,
4. 4Clinical Research Division, Fred Hutchinson Cancer Research Center, and
5. 5Seattle Cancer Care Alliance, Seattle, Washington;
6. 6Pfizer Inc., New York, New York; and
7. 7Department of Laboratory Medicine and Pathology, and
8. 8Department of Epidemiology, University of Washington, Seattle, Washington.