1. Division of Viral Hepatitis, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia;
2. Division of Global HIV/AIDS, Center for Global Health, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia;
3. Division of Global Health Protection, Center for Global Health, U.S. Centers for Disease Control and Prevention–Kenya, Atlanta, Georgia