Affiliation: | 1. Primary Care Service Line, VA Pittsburgh Health Care Systems, Pittsburgh, Pennsylvania;2. Department of General Internal Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania;3. Center for Health Equity Research and Promotion, VA Pittsburgh Health Care Systems, Pittsburgh, Pennsylvania;4. School of Information Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania;5. Health Services Policy and Management, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina;6. South Carolina Rural Health Research Center, Columbia, South Carolina |