1. Department of Paediatrics, University of Jos, Jos University Teaching Hospital , Jos , Nigeria
2. AIDS Prevention Initiative in Nigeria–supported ISO 15189 Laboratory, Jos University Teaching Hospital , Jos , Nigeria
3. Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health , Boston, Massachusetts , USA
4. APIN Public Health Initiatives, Plot 1551, Apo Resettlement, Apo District , Abuja, FCT , Nigeria
5. Department of Medicine, University of Jos, Jos University Teaching Hospital , Jos , Nigeria
6. Department of Obstetrics and Gynaecology, University of Jos, Jos University Teaching Hospital , Jos , Nigeria