University of California, San Francisco (UCSF), University of California, San Francisco (UCSF), University of California, San Francisco (UCSF), Harvard University, Emory University, Emory University, Emory University, University of California, Berkeley, Universidad del Valle de Guatemala, University of Georgia, Universidad del Valle de Guatemala, Universidad del Valle de Guatemala, Eagle Research Centre, London School of Hygiene & Tropical Medicine, Asociación Benefica PRISMA, Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), University of California, Berkeley, Berkeley Air Monitoring Group, Berkeley Air Monitoring Group, University of Oxford - Nuffield Department of Women's and Reproductive Health, University of Oxford - Nuffield Department of Women's and Reproductive Health, Washington University in St. Louis, Berkeley Air Monitoring Group, Johns Hopkins University - Bloomberg School of Public Health, Washington University in St. Louis, Emory University, University of Georgia, National Institutes of Health, Malaysia, Johns Hopkins University - Department of International Health, Colorado State University, Fort Collins, Emory University - Rollins School of Public Health, Emory University and Independent