Mzamomhle, Cape Town, Western Cape, South Africa
Weltevreden Valley, Cape Town, Western Cape, South Africa
Phumlani, Cape Town, Western Cape, South Africa
General Clinical Research Unit (GCRU) BU School of Medicine, Boston, Massachusetts, United States
Evans Biomedical Research Center, Boston, Massachusetts, United States
Boston University Medical Campus, Boston, Massachusetts, United States
Korle-Bu Teaching Hospital, Accra, Ghana
BU School of Medicine, Boston, Massachusetts, United States
Framingham Heart Study, Framingham, Massachusetts, United States
Henry M Goldman School of Dental Medicine, Boston, Massachusetts, United States
Boston Medical Center, Boston, Massachusetts, United States