1. Clinical Research Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA.
2. Translational Research Program, Public Health Sciences, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA.
3. Department of Biostatistics, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA.
4. Departments of Surgery, Medicine Radiology, and Radiological Sciences, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
5. Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt Ingram Cancer Center, Nashville, TN 37232, USA.
6. Department of Family Medicine, University of Washington, Seattle, WA 98195, USA.
7. Departments of Family Medicine, Epidemiology, and Global Health, University of Washington, Seattle, WA 98195, USA.
8. Human Biology Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA.