1. UR106 NALIS, Institut de Recherche pour le Développement, 34394 Montpellier, France
2. Doctoral School 393, Université Pierre et Marie Curie, 75005 Paris, France
3. Food Consumption and Nutrition Division, International Food Policy Research Institute, Washington, DC 20006
4. Program in International Nutrition and Community Nutrition, University of California, Davis, CA 95616