1. The Carter Center, Owerri, Nigeria;
2. The Carter Center, Atlanta, Georgia;
3. The Carter Center, Jos, Nigeria;
4. Parasitology Department, Imo State University, Owerri, Nigeria;
5. Federal Ministry of Health, Abuja, Nigeria;
6. University of California Berkeley, Berkeley, California;
7. National Institute of Health, Bethesda, Maryland;
8. Faculty of Medicine and Biomedical Sciences, University of Yaounde I, Yaoundé, Cameroon
9. Centre for Research on Filariasis, Yaoundé, Cameroon;