Tweya, H. ., Oboho, I. ., Gugsa, S. ., Phiri, S. ., Rambiki, E. ., Banda, R. ., … Maida, A. . Loss to follow-up before and after initiation of antiretroviral therapy in HIV facilities in Lilongwe, Malawi. PloS One, 13(1), e0188488. https://doi.org/10.1371/journal.pone.0188488 (Original work published 2018)