1. Department of Global Health and Biomedical Sciences, Nelson Mandela Institution of Science and Technology, Arusha, Tanzania
2. Department of Medical Biochemistry and Molecular Biology, Kilimanjaro Christian Medical University College, Moshi Tanzania
3. Department of Clinical Trials, Kilimanjaro Clinical Research Institute, Moshi, Tanzania
4. Department of Public Health and Research, Lugalo Military College of Medical Sciences, Dar Es Salaam, Tanzania
5. Department of Bacterial Vaccines, Tanzania Veterinary Laboratory Agency (TVLA), Kibaha, Tanzania