1. Department of Public Health, University Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
2. Department of Research, Expertise and Capacity Building, Recherche pour la santé et le développement (RESADE), Ouagadougou, Burkina Faso
3. Heidelberg Institute of Global Health, Medical Faculty and University Hospital, Heidelberg University, Heidelberg, Germany
4. Institute of Tropical Medicine, Department of Public Health, Antwerp, Belgium
5. Operations Division, Recherche pour la santé et le développement (RESADE), Ouagadougou, Burkina Faso
6. London School of Hygiene and Tropical Medicine, Faculty of Public Health and Policy, London, UK
7. Department of Health Systems and Research Ethics, KEMRI-Wellcome Trust Programme, Nairobi, Kenya
8. Northumbria University, Department of Nursing, Midwifery and Health, Newcastle upon Tyne, UK
9. School of Public Health, University of the Western Cape, Cape Town, South Africa
10. Health Systems Extra-Mural Unit, South African Medical Research Council, Cape Town, South Africa