1. Division of Health Sciences, Warwick Medical School, The University of Warwick, Coventry, United Kingdom;
2. Medical Research Council, Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa;
3. Department of Medical Microbiology, Radboudumc Center for Infectious Diseases, Nijmegen, The Netherlands;
4. Nuffield Department of Medicine, Centre for Tropical Medicine, University of Oxford, Oxford, United Kingdom;
5. Wellcome Trust Major Overseas Programme, Oxford University Clinical Research Unit, Hanoi, Vietnam;
6. Statistics Sierra Leone, Freetown, Sierra Leone;
7. International Network for the Demographic Evaluation of Populations and their Health (INDEPTH) Network, Accra, Ghana;
8. Faculty of Health Sciences, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa;
9. Department of Public Health Sciences, Global Health (Division of International Health - IHCAR), Karolinska Institutet, Stockholm, Sweden
10. Faculty of Medicine, Department of Public Health and Clinical Medicine, Epidemiology and Global Health (Umeå Centre for Global Health Research), Umeå University, Umeå, Sweden;