1. Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom.
2. Ministry of Health and Wellness, Gaborone, Botswana.
3. Division of Global Health Equity, Brigham and Women’s Hospital, Boston, United States of America (USA).
4. Faculty of Medicine, University of Botswana, Gaborone, Botswana.
5. Division of Infectious Diseases, Harvard University, Brigham and Women’s Hospital, Boston, USA.
6. Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, USA.
7. Department of Medical Social Sciences, Northwestern Feinberg School of Medicine, Chicago, USA.
8. World Health Organization, Geneva, Switzerland.