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