1. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
2. South Carolina SmartState Center for Healthcare Quality, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
3. Rural and Minority Health Research Center, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
4. Office for the Study on Aging, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
5. Department of Health Policy and Management, College of Public Health, University of Georgia, Athens, GA, USA
6. Health Services Policy and Management, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA