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Abstract
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1 Departments of Epidemiology, the University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
2 Departments of Biostatistics, the University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3 Division of Health Promotion and Behavioral Science, San Diego State University, San Diego, CA, USA
4 MedStar Health Research Institute and Georgetown/Howard Universities Center for Clinical and Translational Sciences, Hyattsville, MD, USA
5 Institute for Minority Health Research, University of Illinois at Chicago, Chicago, IL, USA
6 Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN, USA
7 Departments of Epidemiology, the University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Carolina Population Center, the University of North Carolina at Chapel Hill, Chapel Hill, NC, USA