1. Department of Clinical Pharmacology and Therapeutics, Hubert Kairuki Memorial University, 70 Chwaku Road Mikocheni, Dar Es Salaam P.O. Box 65300, Tanzania
2. Department of Microbiology and Parasitology, Faculty of Medicine, Hubert Kairuki Memorial University, 70 Chwaku Road Mikocheni, Dar Es Salaam P.O. Box 65300, Tanzania
3. Department of Infectious Diseases, Faculty of Medicine, University of Dodoma, Dodoma P.O. Box 582, Tanzania
4. Centre for Neonatal and Paediatric Infection, Institute for Infection and Immunity, St. George’s University of London, London SW17 0RE, UK
5. Health Economics Research Centre, Nuffield Department of Population Health, University of Oxford, Oxford OX1 2JD, UK
6. Department of Public Health Pharmacy and Management, School of Pharmacy, Sefako Makgatho Health Sciences University, Ga-Rankuwa 0208, South Africa
7. South African Vaccination and Immunisation Centre, Sefako Makgatho Health Sciences University, Ga-Rankuwa 0208, South Africa
8. Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow G4 0RE, UK
9. Department of Clinical Pharmacy and Pharmacology, School of Pharmacy, Muhimbili University of Health and Allied Sciences, United Nations Rd, Dar Es Salaam P.O. Box 65013, Tanzania