1. Health Systems Collaborative, University of Oxford, Oxford, England, UK
2. Health Services Unit, KEMRI-Wellcome Trust Research Programme, Nairobi, Kenya
3. Department of Paediatrics & Child Health, University of Nairobi, Nairobi, Kenya
4. Department of Health Systems, Ifakara Health Institute, Dar es Salaam, Tanzania
5. Department of Anaesthesia, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
6. Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
7. Centre for Clinical Research Sörmland, Uppsala University, Eskilstuna, Sweden
8. Department of Medicine Nyköping Hospital, Nyköping, Sweden
9. Department of Clinical Research, London School of Hygiene and Tropical Medicine, London, England, UK