Measuring Coverage in MNCH: Population HIV-Free Survival among Children under Two Years of Age in Four African Countries - Stringer, Jeffrey S. A.; Stinson, Kathryn; Tih, Pius M.; Giganti, Mark J.; Ekouevi, Didier K.; Creek, Tracy L.; Welty, Thomas K.; Chi, Benjamin H.; Wilfert, Catherine M.; Shaffer, Nathan; Stringer, Elizabeth M.; Dabis, Francois; et al. (PLoS Medicine, 2013)