1. Navajo Nation, Sheepsprings Chapter , Shiprock Agency , USA
2. Southern California American Indian Health Center , CA , USA
3. Luiseño , Southern California , USA
4. Haliwa-Saponi , Hollister , USA
5. School of Medicine, University of California San Diego , San Diego, CA , USA
6. Prevention Research Center, Pacific Institute for Research and Evaluation-California , Berkeley, CA , USA