1 Centre for Evidence-Based Health Care, Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Francie van Zijl drive, Parow, Cape Town, 7500, South Africa. jeannine@sun.ac.za.
2 School of Public Health, College of Medicine and Health Science, University of Rwanda, Kicukiro, Kigali, Rwanda. jeannine@sun.ac.za.
3 Centre for Evidence-Based Health Care, Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Francie van Zijl drive, Parow, Cape Town, 7500, South Africa.
4 College of Medicine and Health Science, University of Rwanda, Kicukiro, Kigali, Rwanda.
5 Institute for Evidence in Medicine (for Cochrane Germany Foundation), Medical Center-University of Freiburg, Breisacher Strasse 153, 79110, Freiburg, Germany.