[1] George Washington Univ, Dept Microbiol Immunol & Trop Med, Washington, DC 20052 USA
[2] Albert B Sabin Vaccine Inst, Human Hookworm Vaccine Initiat, Washington, DC USA
[3] Univ Liverpool, Liverpool Sch Trop Med, Lymphat Filariasis Support Ctr, Liverpool L3 5QA, Merseyside, England
[4] Univ London Imperial Coll Sci Technol & Med, Dept Infect Dis & Epidemiol, London SW7 2AZ, England
[5] Schistosomiasis Control Initiat, London, England
[6] Emory Univ, Rollins Sch Publ Hlth, Atlanta, GA 30322 USA
[7] Task Force Child Survival & Dev, Lymphat Filariasis Support Ctr, Atlanta, GA USA
[8] Columbia Univ, Earth Inst, Millennium Village Project, Publ Hlth Program, New York, NY 10027 USA