1. The Wellcome Trust Research Laboratory, Division of Gastrointestinal Sciences, Christian Medical College, Vellore, India;
2. Department of Global Health, University of Washington, Seattle, Washington;
3. Department of Medicine, University of Washington, Seattle, Washington;
4. Department of Pediatrics, University of Washington, Seattle, Washington;
5. Department of Epidemiology, University of Washington, Seattle, Washington;
6. The DeWorm3 Project, University of Washington, Seattle, Washington