Emory University, Universidad del Valle de Guatemala, Emory University, affiliation not provided to SSRN, affiliation not provided to SSRN, Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), University of California, Berkeley, Emory University, Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), Universidad del Valle de Guatemala, University of Georgia, London School of Hygiene & Tropical Medicine, Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), Sri Ramachandra University, Sri Ramachandra Institute of Higher Education & Research, Sri Ramachandra Institute of Higher Education & Research, Asociación Benefica PRISMA, Eagle Research Centre, Emory University, Emory University, Emory University, Emory University, Johns Hopkins University - Department of International Health, Colorado State University, Fort Collins and Emory University - Rollins School of Public Health