1. Department of Civil and Environmental Engineering, Tufts University, Medford, Massachusetts 02155, United States
2. Innovations for Poverty Action, Nairobi 00200, Kenya
3. Department of Civil and Environmental Engineering, University of California, Berkeley, Berkeley, California 94720, United States
4. Francis I. Proctor Foundation, Department of Ophthalmology and Institute for Global Health Sciences, University of California, San Francisco, San Francisco, California 94158, United States
5. Gangarosa Department of Environmental Health, Emory University, Atlanta, Georgia 30322, United States
6. Institute for Global Nutrition, University of California, Davis, Davis, California 95616, United States
7. Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, Santa Cruz, California 95064, United States
8. Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
9. School of Public Health, Division of Epidemiology, University of California, Berkeley, Berkeley, California 94720, United States
10. Mathematica, Washington, District of Columbia 20002, United States
11. Chan Zuckerberg Biohub San Francisco, San Francisco, California 94158, United States