Affiliation: | University of Florida, Gainesville, Florida, USA (J.K. Blackburn, I.T. Kracalik);University of Ghana, Accra, Ghana (E. Kenu);Ghana Health Service, Accra (F. Asiedu-Bekoe, B. Sarkodie);Centers for Disease Control and Prevention, Atlanta, Georgia, USA (W.A. Bower, R.A. Stoddard, R.M. Traxler) |