1. School of Health Sciences and Human Performance, Ithaca College, Ithaca, NY
2. Division of Nutritional Sciences, Cornell University, Ithaca, NY
3. International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh
4. Women's and Children's Health, International Maternal and Child Health, Uppsala University, Uppsala, Sweden
5. Department of Health Promotion, Education, and Behavior, University of South Carolina, Columbia, SC