1. Laboratory of Biology and Molecular Typing in Microbiology, University of Abomey-Calavi, Benin
2. Ministry of Heath, Cotonou, 01, BP 363, Benin
3. Laboratory of Biochemistry and Molecular Biology, Faculty of Science and Technology, University of Abomey-Calavi, Benin
4. National Agronomic Research Institute of Benin, 01, BP 884 Cotonou, Benin