1. Program in International Nutrition, Division of Nutritional Sciences, Cornell University, Ithaca, NY, USA
2. Department of Nutrition, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
3. IMA World Health, Dar es Salaam, Tanzania
4. Department of Development Sociology, Cornell University, Ithaca, NY, USA
5. Tanzania Food and Nutrition Center, Ministry of Health Community Development, Gender, Elderly and Children, Dar es Salaam, Tanzania