Affiliation: | 1. Department of Health Promotion, Education, and Behavior, Arnold School of Public Health, University of South Carolina, , Columbia, South Carolina;2. Department of Social Work, College of Health and Human Sciences, Western Carolina University, , Cullowhee, North Carolina;3. Black Hills Center for American Indian Health, , Rapid City, South Dakota;4. Department of Epidemiology, School of Public Health, University of Washington Seattle, , Seattle, Washington;5. VET Registry, Seattle Department of Veterans Affairs, , Seattle, Washington |