1. Biostatistics Research Branch, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
2. School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa.
3. Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research Sponsored by the National Cancer Institute, Frederick, MD, USA.
4. Inserm, UMR 1219, Université de Bordeaux, Bordeaux, France.
5. Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France.
6. Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium.
7. Operational Centre Geneva, Médecins Sans Frontières, 1211 Geneva, Switzerland.
8. Centre for Tropical Medicine and Global Health, University of Oxford, Oxford, UK.
9. Mercy Hospital Research Laboratory, Kulanda Town, Bo, Sierra Leone.
10. School of Community Health Sciences, Njala University, Bo, Sierra Leone.
11. Beijing Institute of Microbiology and Epidemiology, Beijing, China.
12. Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
13. Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
14. Anesthesiology and Intensive Care Department, Hopital Bichat—Claude Bernard, Assistance Publique—Hopitaux de Paris, Paris, France.