1. ‘Chantal Biya’ International Reference Centre for Research on HIV and AIDS Prevention and Management (CIRCB), Yaounde, Cameroon
2. Department of Biology, University of Yaounde I Higher Teachers’ Training College, Yaounde, Cameroon
3. Faculty of Sciences, Department of Immunology and Biotechnology, University of Rome Tor Vergata, Via Crocovia 50, Roma, RM, Italy
4. Faculty of Sciences, Department of Biochemistry, University of Dschang, Dschang, Cameroon
5. Faculty of Sciences, Department of Biochemistry, University of Yaounde I, Yaounde, Cameroon
6. Ministry of Public Health, National AIDS Control Committee, Yaounde, Cameroon
7. Department of Immunology, Institut Pasteur, 25 rue du Dr Roux, Paris, France
8. Ministry of Public Health, Health Operational Research Division, Yaounde, Cameroon
9. Faculty of Medicine and Biomedical Sciences, University of Yaounde I, Yaounde, Cameroon