Spillover effects on health outcomes in low- and middle-income countries: a systematic review. (3rd June 2019) - Benjamin-Chung, Jade; Abedin, Jaynal; Berger, David; Clark, Ashley; Jimenez, Veronica; Konagaya, Eugene; Tran, Diana; Arnold, Benjamin F; Hubbard, Alan E; Luby, Stephen P; Miguel, Edward; Colford, John M