1. Department of Radiology University of Washington Fred Hutchinson Cancer Center Seattle Washington USA
2. Kaiser Permanente Washington Kaiser Permanente Washington Health Research Institute Seattle Washington USA
3. Department of Biostatistics, Epidemiology, and Informatics Perelman School of Medicine, University of Pennsylvania Philadelphia Pennsylvania USA
4. Department of Radiology University of North Carolina at Chapel Hill School of Medicine Chapel Hill North Carolina USA
5. Departments of Medicine and Epidemiology and Biostatistics University of California San Francisco California USA
6. Division of Medical Oncology Department of Medicine University of Washington Seattle Cancer Care Alliance Seattle Washington USA
7. University of Vermont Cancer Center University of Vermont Larner College of Medicine Burlington Vermont USA
8. Office of Health Promotion Research Department of Surgery University of Vermont Larner College of Medicine Burlington Vermont USA