1. Department of Epidemiology, Seattle, WA
2. Department of Global Health, Seattle, WA
3. PATH, Seattle, WA, Dhaka, Bangladesh
4. Department of Biostatistics, Seattle, WA
5. Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
6. Childhood Acute Illness and Nutrition Network, Nairobi, Kenya
7. Parasitology Laboratory, icddr,b, Dhaka, Bangladesh
8. Department of Medicine, Seattle, WA
9. Department of Pediatrics, University of Washington, Seattle, WA
10. Department of Pediatric Gastroenterology and Hepatology, Seattle Children's Hospital, Seattle, WA