Jacobi Medical Center, Bronx, New York, United States
Children's National Medical Center, Washington, District of Columbia, United States
Howard University Hospital, Department of Pediatrics, Washington, District of Columbia, United States
Laoting Maternal and Child Health Institute, Laoting, Hebei, China
Yuanshi Maternal and Child Health Institute, Yuanshi, Hebei, China
Mancheng Maternal and Child Health Institute, Mancheng, Hebei, China
Louisiana State University (LSU) Health Sciences Center, New Orleans, Louisiana, United States
The Mississippi State Department of Health, Bureau of STD/HIV, Jackson, Mississippi, United States
Washington University, St Louis, Missouri, United States
San Francisco Department of Public Health, San Francisco, California, United States
AIDS Research Consortium of Atlanta, Atlanta, Georgia, United States
Fenway Community Health, Boston,, Massachusetts, United States
CDC/Kenya Medical Research Institute, Kisumu, Kenya
Ministry of Health, Antananarivo, Madagascar
Koro Health Center, Koro, Mali
Faladje Missionary Dispensary, Faladje, Mali
Pongono Community Health Center, Pongono, Mali
Universidad del Valle/MERTU, Guatemala City, Guatemala
Faladje Missionary Dispensary, Faladje, Mali
Machinga District Hospital, Liwonde, Malawi