About the Authors
Laboratory of Parasitic Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
Lymphatic Filariasis Support Center, The Task Force for Global Health, Decatur, Georgia, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: CS JK TBN. Performed the experiments: JK. Analyzed the data: CS JK. Wrote the paper: CS EAO TBN.