1 Department of Anthropology, Department of Epidemiology and Biostatistics, Center for the Elimination of Minority Health Disparities, University at Albany, State University of New York, Albany, New York, USA.
2 Department of Nutrition, Gillings School of Global Public Health & School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA.
3 Division of HIV/AIDS Prevention, National Center for HIV, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.