1. Centre for Research on Filariasis and Other Tropical Diseases, Yaounde, Cameroon
2. Faculty of Medicine and Biomedical Sciences, University of Yaounde I, Yaounde, Cameroon
3. IRD UMI 233-INSERM U1175-Montpellier University, Montpellier, France
4. Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA
5. Liverpool School of Tropical Medicine, Liverpool, UK