1. 1Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, Washington.
2. 2Department of Urology, University of Washington School of Medicine, Seattle, Washington.
3. 3Department of Pathology, Medical College of Wisconsin, Milwaukee, Wisconsin.
4. 4Department of Medicine, University of Washington School of Medicine, Seattle, Washington.
5. 5Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, Washington.
6. 6Division of Public Health Sciences, Fred Hutchinson Cancer Center, Seattle, Washington.
7. 7Department of Internal Medicine, Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan.
8. 8Division of Clinical Research, Fred Hutchinson Cancer Center, Seattle, Washington.