1. Poverty, Health, and Nutrition Division, International Food Policy Research Institute, Washington, DC
2. Centre for Evaluation Research and Surveys, National Institute of Public Health, Mexico
3. Coordination of Analysis and Evaluation of Public Policies, State Government of Morelos, Mexico
4. Center for Nutrition and Health Research, National Institute of Public Health, Mexico
5. Haas School of Business and School of Public Health, University of California, Berkeley, CA