[1] George Washington Univ, Washington, DC 20037 USA
[2] Sabin Vaccine Inst, Washington, DC 20037 USA
[3] Univ Liverpool, Liverpool Sch Trop Med, Lymphat Filariasis Support Ctr, Liverpool L3 5QA, Merseyside, England
[4] Gettysburg Coll, Gettysburg, PA 17325 USA
[5] Ben Gurion Univ Negev, IL-84105 Beer Sheva, Israel
[6] Int Trachoma Initiat, New York, NY USA