Author | Year | Country | Design | Population |
---|---|---|---|---|
Idro et al. [5] | 2006 | Kenya | Cross-sectional | Children |
Van Hensbroek et al. [8] | 1997 | The Gambia | Prospective cohort | Children |
Oluwayemi et al. [9] | 2013 | Nigeria | Cross-sectional | Children |
Brewster et al. [12] | 1990 | The Gambia | Prospective cohort | Children |
Bondi [14] | 1992 | Nigeria | Prospective cohort | Children |