1. Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington.
2. Department of Surgery, University of Vermont Cancer Center, University of Vermont, Burlington, Vermont.
3. Department of Radiology, University of Vermont Cancer Center, University of Vermont, Burlington, Vermont.
4. The Dartmouth Institute for Health Policy and Clinical Practice, Department of Medicine, Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire.
5. Division of General Internal Medicine and Primary Care, Brigham and Women's Hospital, Boston, Massachusetts.
6. Department of Biomedical Data Science, The Dartmouth Institute for Health Policy and Clinical Practice and Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire.
7. Department of Epidemiology, The Dartmouth Institute for Health Policy and Clinical Practice and Norris Cotton Cancer Center, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire.
8. Division of General Internal Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
9. Department of General Internal Medicine, Massachusetts General Hospital, Boston, Massachusetts.
10. Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts.
11. Kaiser Permanente Washington Health Research Institute, Seattle, Washington.
12. Cancer Research and Biostatistics, Seattle, Washington.