1. Laboratoire de Virologie-Cremer, Institut de Recherches Médicales et d'Études des Plantes Médicinales (IMPM), Yaoundé, Cameroon.
2. Department of Biochemistry, Faculty of Sciences, University of Douala, Douala, Cameroon.
3. TransVIHMI, Université de Montpellier, IRD, INSERM, Montpellier, France.
4. National AIDS Control Program, Kinshasa, Democratic Republic of the Congo.
5. Department of Virology, Institut National de Recherche Biomédicale, Kinshasa, Democratic Republic of the Congo.
6. Service de Microbiologie, Département de Biologie Médicale, Cliniques Universitaires de Kinshasa, Université de Kinshasa, Kinshasa, Democratic Republic of the Congo.
7. Department of Microbiology, Faculty of Sciences, University of Yaoundé I, Yaoundé, Cameroon.