1. Centers for Disease Control and Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Division of HIV/AIDS Prevention, Atlanta, GA
2. Centers for Disease Control and Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Division of STD Prevention, Atlanta, GA
3. Northrop Grumman Corporation, Falls Church, VA
4. Agency for Toxic Substances and Disease Registry, Geospatial Research, Analysis, and Services Program, Atlanta, GA
5. Centers for Disease Control and Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Division of Viral Hepatitis, Atlanta, GA