1. Center for American Indian Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
2. Johns Hopkins School of Nursing, Baltimore, MD, USA
3. University of Colorado Anschutz Medical Campus, Aurora, CO, USA
4. University of Minnesota Medical School, Duluth, MN, USA
5. University of Michigan, Ann Arbor, MI, USA
6. Washington State University, Spokane, WA, USA
7. University of Alaska Fairbanks, Fairbanks, AK, USA
8. White Mountain Apache Tribe, Whiteriver, AZ, USA