1. Department of Health Promotion, Education, and Behavior & South Carolina SmartState Center for Healthcare Quality (CHQ), University of South Carolina, Arnold School of Public Health, Columbia, SC;
2. Department of Epidemiology and Biostatistics, University of South Carolina, Arnold School of Public Health, Columbia, SC;
3. Department of Internal Medicine, School of Medicine, University of South Carolina, Columbia, SC; and
4. Department of Health Services Policy and Management, University of South Carolina, Arnold School of Public Health, Columbia, SC.