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. Rory Meyers College of Nursing, New York University, New York, NY, USA
6. Health Promotion and Behavior, College of Public Health, University of Georgia, Athens, Georgia
7. Faculty of Education, University of Cambridge, Cambridge, England
8. Faculty of Education, University of Johannesburg, Johannesburg, South Africa