1. Veterans Health Administration National Center for Health Promotion and Disease Prevention, Durham, North Carolina
2. Veterans Health Administration National Radiology Program Office, Durham, North Carolina
3. Durham Veterans Affairs Health Services Research and Development Center of Innovation, Durham, North Carolina
4. Department of Medicine, Duke University Medical Center, Durham, North Carolina
5. Department of Medicine, Minneapolis Veterans Affairs Healthcare System, Minneapolis, Minnesota
6. Department of Medicine, Veterans Affairs Portland Health Care System, Portland, Oregon
7. Department of Medicine, Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina
8. Pittsburgh Veterans Engineering Resource Center, Pittsburgh, Pennsylvania
9. Veterans Health Administration National Oncology Program, Durham, North Carolina