1. Center for Global Health and Diseases, Case Western Reserve University, Cleveland, Ohio;
2. Schistosomiasis Consortium for Operational Research and Evaluation, Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, Georgia;
3. Department of Mathematics, Applied Mathematics and Statistics, Case Western Reserve University, Cleveland, Ohio;
4. Department of Medicine, University of California, San Francisco, San Francisco, California;
5. Yale School of Public Health, Yale University, New Haven, Connecticut;
6. School of Medicine, Case Western Reserve University, Cleveland, Ohio