Citation: George G, Chetty T, Strauss M, Inoti S, Kinyanjui S, Mwai E, Romo ML, Oruko F, Odhiambo JO, Nyaga E, Mantell JE, Govender K, Kelvin EA. Costing analysis of an SMS-based intervention to promote HIV self-testing amongst truckers and sex workers in Kenya. PLoS One. 2018 Jul 6;13(7):e0197305. doi: 10.1371/journal.pone.0197305. eCollection 2018.