1. Division of Biomedical and Health Informatics University of Washington Seattle WA 98195 USA
2. Harborview Injury Prevention Research Center University of Washington Seattle WA 98104 USA
3. Department of Biomedical Informatics University of Utah School of Medicine Salt Lake City UT 84108‐3514 USA
4. Health Informatics and Information Management University of Tennessee Health Science Center Memphis TN 38163 USA
5. National Institute on Minority Health and Health Disparities (NIMHD) National Institutes of Health Bethesda MD 20892‐5465 USA
6. Department of Biomedical Informatics University of Pittsburgh Pittsburgh PA 15206 USA
7. Department of Pediatrics Children's Hospital Los Angeles Los Angeles CA 90015 USA
8. Department of Civil and Environmental Engineering University of California at Berkeley Berkeley CA 94720 USA
9. Division of Biomedical Informatics Department of Internal Medicine University of Kentucky Lexington KY 40506 USA
10. Department of Medical Informatics & Clinical Epidemiology Oregon Health & Science University Portland OR 97239 USA
11. Center for Public Health and Environmental Assessment US Environmental Protection Agency Chapel Hill NC 27514 USA
12. National Human Genome Research Institute (NHGRI) National Institutes of Health Bethesda MD 20892‐2152 USA