1 Division of Medical Microbiology, Department of Pathology, Faculty of Health Sciences, University of Cape Town Cape Town, South Africa.
2 Centre for Evidence-based Health Care, Faculty of Medicine and Health Sciences, Stellenbosch UniversityCape Town, South Africa; Cochrane South Africa, South African Medical Research CouncilCape Town, South Africa.
3 Vaccines for Africa Initiative, Institute of Infectious Disease and Molecular Medicine, University of Cape Town Cape Town, South Africa.
4 Department of Clinical Epidemiology and Biostatistics, McMaster UniversityOntario, Canada; Biostatistics Unit, Father Sean O'SulliVan Research CentreOntario, Canada.
5 Division of Immunology, Department of Pathology, Faculty of Health Sciences, University of Cape TownCape Town, South Africa; Institute of Infectious Diseases and Molecular Medicine, University of Cape TownCape Town, South Africa; International Centre for Genetic Engineering and Biotechnology, University of Cape TownCape Town, South Africa.
6 Department of Paediatrics and Child Health, University of Cape TownCape Town, South Africa; Red Cross War Memorial Children's HospitalCape Town, South Africa; Medical Research Council Unit on Child and Adolescent Health, University of Cape TownCape Town, South Africa.
7 Division of Medical Microbiology, Department of Pathology, Faculty of Health Sciences, University of Cape TownCape Town, South Africa; Institute of Infectious Diseases and Molecular Medicine, University of Cape TownCape Town, South Africa; National Health Laboratory Service, Groote Schuur HospitalCape Town, South Africa.
8 Division of Medical Microbiology, Department of Pathology, Faculty of Health Sciences, University of Cape TownCape Town, South Africa; Institute of Infectious Diseases and Molecular Medicine, University of Cape TownCape Town, South Africa.