1. Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA
2. Department of Medicine, University of Washington, Seattle, WA 98195, USA
3. Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
4. Department of Radiology, University of Washington, Seattle, WA 98195, USA
5. Department of Pathology, University of Washington, Seattle, WA 98195, USA
6. Cancer Immunoprevention Laboratory, Earle A. Chiles Research Institute, Portland, OR 97213, USA
7. Department of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA
8. Translational Oncology Program, University of Illinois Cancer Center, Chicago, IL 60612, USA