1. College of Arts and Sciences, University of South Carolina, Columbia, South Carolina
2. Rural & Minority Health Research Center, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina
3. College of Liberal Arts & Sciences, University of Iowa, Iowa City, Iowa
4. Department of Community and Behavioral Health, College of Public Health, University of Iowa, Iowa City, Iowa
5. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina