1. Department of Population Health Sciences Georgia State University School of Public Health Atlanta GA
2. Department of Epidemiology Emory University Rollins School of Public Health Atlanta GA
3. Department of Epidemiology and Biostatistics University at Albany School of Public Health State University of New York Rensselaer NY
4. Division of Viral Hepatitis National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention Centers for Disease Control and Prevention Atlanta GA