1. Department of Epidemiology and Biostatistics, School of Public Health, Jackson State University, Jackson, Mississippi, USA
2. Sandra Rosenbaum School of Social Work, University of Wisconsin-Madison, Madison, Wisconsin, USA
3. Columbia University Mailman School of Public Health, New York, New York, USA
4. Office of Health Data and Research, Mississippi State Department of Health, Jackson, Mississippi, USA
5. Department of Internal Medicine, School of Medicine, University of California Davis, Davis, California, USA