1. Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA, USA
2. Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI, USA
3. Department of Public Health and Community Medicine, School of Medicine, Tufts University, Boston, MA, USA
4. Ministry of Health and Sanitation, Directorate of Food and Nutrition, Freetown, Sierra Leone
5. Department of Pediatrics, Washington University in St. Louis, St. Louis, MO, USA
6. Department of Agricultural and Resource Economics, University of California-Davis, Davis, CA, USA