1. Cochrane South Africa, South African Medical Research Council, Tygerberg, South Africa
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. Warwick-Centre for Applied Health Research and Delivery (WCAHRD), Division of Health Sciences, University of Warwick Medical School, Coventry, UK
4. Education and Youth Empowerment Unit, African Population and Health Research Centre, Nairobi, Kenya
5. Department of Community Medicine, Bayero University/Aminu Kano Teaching Hospital, Kano, Kano State, Nigeria
6. School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa