1. Department of Biostatistics and Epidemiology, Arnold School of Public Health, University of South Carolina, Columbia, SC, United States
2. South Carolina SmartState Center for Healthcare Quality, Arnold School of Public Health, University of South Carolina, Columbia, SC, United States
3. Rural and Minority Health Research Center, Arnold School of Public Health, University of South Carolina, Columbia, SC, United States
4. Office for the Study on Aging, Arnold School of Public Health, University of South Carolina, Columbia, SC, United States