1. Dept of Radiology, University of Washington School of Medicine; 825 Eastlake Avenue East, Seattle, WA 98109
2. Dept of Health Services, University of Washington School of Public Health; 825 Eastlake Avenue East, Seattle, WA 98109
3. Group Health Research Institute; 1730 Minor Avenue #1600, Seattle, WA, 98101
4. Dept of Internal Medicine, University of California, San Francisco School of Medicine; 1001 Potrero Ave, Box 1364, San Francisco, CA 94110
5. Dept of Biostatistics & Epidemiology, Perelman School of Medicine, University of Pennsylvania; 423 Guardian Drive, Philadelphia, PA 19104
6. Division of General Internal Medicine and Primary Care, Brigham and Women’s Hospital; Dept of Medicine, Harvard Medical School; Dana Farber Harvard Cancer Institute; Dept of Social and Behavioral Sciences, Harvard School of Public Health; 1620 Tremont Street, Boston, MA 02120
7. Dept of Internal Medicine, Cancer Research and Treatment Center, University of New Mexico; 1201 Camino de Salud NE, 1 University of New Mexico, Albuquerque, NM, 87102
8. Depts of Medicine and Community & Family Medicine, Dartmouth Institute for Health Policy & Clinical Practice, Norris Cotton Cancer Center, Geisel School of Medicine; One Medical Center Drive, Lebanon, NH 03756
9. Dept of Radiology, University of Wisconsin School of Medicine and Public Health; 600 Highland Avenue, Madison WI 53792