Lippman SA, Pettifor A, Rebombo D, Julien A, Wagner RG, Kang Dufour MS, Kabudula CW, Neilands TB, Twine R, Gottert A, Gómez-Olivé FX, Tollman SM, Sanne I, Peacock D, Kahn K. Evaluation of the Tsima community mobilization intervention to improve engagement in HIV testing and care in South Africa: study protocol for a cluster randomized trial. Implement Sci. 2017 Jan 17; 12(1):9.