1. Department of Health Policy, Planning and Management, School of Public Health, University of Ghana, Legon, Accra, Ghana
2. Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
3. Department of Population Health Sciences, Spencer Fox Eccles School of Medicine, University of Utah, Salt Lake City, Utah, USA
4. Department of Clinical Research, Faculty of Infectious and Tropical Diseases London School of Hygiene and Tropical Medicine, London, United Kingdom
5. School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
6. Centre for Health Services and Policy Research, School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada
7. Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Ghana