1. Department of Community Medicine, University of Maiduguri Teaching Hospital, Maiduguri, Borno State, Nigeria
2. Department of Life Sciences, Imperial College London, London, UK
3. Department of Biochemistry, Federal University Otuoke, Yenagoa, Nigeria
4. Department of Science Laboratory Technology, Ramat Polytechnic Maiduguri, Maiduguri, Nigeria
5. Department of Family Medicine, University of Maiduguri Teaching Hospital, Maiduguri, Borno State, Nigeria
6. Department of Pediatrics, University of Maiduguri Teaching Hospital, Maiduguri, Borno State, Nigeria