1. Gillings School of Global Public Health; Department of Maternal and Child Health; University of North Carolina at Chapel Hill CB 7445 Chapel Hill North Carolina USA 27599
2. FHI 360; Clinical Sciences; PO Box 13950 Research Triangle Park North Carolina USA NC 27709
3. FHI 360 and UNC School of Medicine; Quantitative Sciences; P.O. Box 13950 Research Triangle Park North Carolina USA NC 27709