1. Department of Medical Entomology Centre for Research in Infectious Diseases (CRID) Yaoundé Cameroon
2. Department of Animal Biology and Physiology, Faculty of Science University of Yaoundé 1 Yaoundé Cameroon
3. Medical Research Centre Institute of Medical Research and Medicinal Plants Studies (IMPM) Yaoundé Cameroon
4. Department of Vector Biology Liverpool School of Tropical Medicine Liverpool UK