1. Warwick-Centre for Applied Health Research and Delivery (WCAHRD), Division of Health Sciences, University of Warwick Medical School, Coventry, UK
2. Centre for Evidence-based Health Care, Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
3. Cochrane South Africa, South African Medical Research Council, Tygerberg, South Africa
4. Research and Development, Center for Evidence-Based Global Health, Nigeria
5. School of International Development and Global Studies, University of Ottawa, Canada
6. Immunization Unit, Independent Consultant, Switzerland
7. School of Public Health and Family Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa