1 Services de Parasitologie et d'Entomologie, Département de Médecine Tropicale, Faculté de Médecine, Université de Kinshasa, Kinshasa, Democratic Republic of Congo.
2 Faculté de Médecine, Université President Joseph Kasa-Vubu, Boma, Democratic Republic of Congo.
3 Entomology Branch, Division of Parasitic Diseases and Malaria, Center for Global Health, Centers for Disease Control and Prevention, 1600 Clifton Road NE, Atlanta, GA 30329, U.S.A.