2,355
Participants
Start Date
February 17, 1988
National Institutes of Health Clinical Center, Bethesda
Federal University of Rio de Janeiro-Participants Homes, Rio de Janeiro
University of Bamenda, Cameroon-Participants Homes, Bamenda
University of Saskatchewan-Participants Homes, Saskatchewan
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH