1. Department of Health Behavior, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
2. Center for Population and Development Studies, Harvard University, Cambridge, MA, USA
3. Department of Social Medicine, UNC School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
4. Center for Health Equity Research, UNC School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
5. Department of General Medicine and Epidemiology, Department of Medicine, UNC School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
6. Health Disparities Institute, University of Connecticut, Hartford, CT, USA