Implementation of a pragmatic, stepped-wedge cluster randomized trial to evaluate impact of Botswana's Xpert MTB/RIF diagnostic algorithm on TB diagnostic sensitivity and early antiretroviral therapy mortality. - Auld, Andrew F.; Agizew, Tefera; Pals, Sherri; Finlay, Alyssa; Ndwapi, Ndwapi; Boyd, Rosanna; Alexander, Heather; Mathoma, Anikie; Basotli, Joyce; Gwebe-Nyirenda, Sambayawo; Shepherd, James; Ellerbrock, Tedd V.; et al. (BMC Infectious Diseases, 2016)