Am J Public Health 2021 Jun;111(6):1029-1034
Anke Rohwer is with the Centre for Evidence-Based Health Care, Stellenbosch University, Stellenbosch, South Africa. Melissa Taylor and Paul Garner are with the Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK. Rebecca Ryan is with the Centre for Health Communication and Participation, La Trobe University, Melbourne, Australia. Sandy Oliver is with the Evidence for Policy and Practice Information and Co-ordinating Centre, Social Research Institute, University College London, London, UK, and the Africa Centre for Evidence, University of Johannesburg, Johannesburg, South Africa.