1. Elson S. Floyd College of Medicine, Washington State University, Seattle, WA, USA.
2. Health Systems, Management, and Policy; University of Colorado, Aurora, CO, USA.
3. Department of Epidemiology; Irvine, Irvine, CA, USA.
4. School of Medicine; University of California, Irvine, Irvine, CA, USA.
5. Department of Sociology, University of British Columbia, Vancouver, British Columbia, Canada.
6. Center for Human Development, University of Alaska Anchorage, Anchorage, AK, USA.
7. School of Social Work, University of Washington, Seattle, WA, USA.
8. Charles George Veterans Medical Center, Veterans Health Administration, Washington, DC, USA.
9. College of Health and Human Sciences, Western Carolina University, Cullowhee, NC, USA.
10. College of Nursing, Washington State University, Pullman, WA, USA.
11. Institute for Health Research, Kaiser Permanente Colorado, Aurora, CO, USA.
12. Centers for American Indian and Alaska Native Health; Colorado School of Public Health, University of Colorado, Aurora, CO, USA.