1 Global Alliance for Improved Nutrition, Washington, DC 20036, USA; Department of Environmental Science and Policy, University of California, Davis, CA, USA. Electronic address: [email protected].
2 Department of Global Health and Population, Harvard TH Chan School of Public Health, Boston, MA, USA.
3 Bill & Melinda Gates Foundation, Seattle, WA, USA.
4 Institute for Global Nutrition, University of California, Davis, CA, USA.
5 Global Alliance for Improved Nutrition, Geneva, Switzerland.