1. Department of Biostatistics, University of Florida, Gainesville, FL, USA.
2. World Health Organization, Geneva, Switzerland.
3. Department of Biostatistics, University of California, Los Angeles, Los Angeles, CA, USA.
4. Department of Biostatistics, Harvard University, Boston, MA, USA.
5. Department of Statistics, University of Oxford, Oxford, UK.
6. MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, UK.
7. Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA.
8. Department of Biostatistics, University of Washington, Seattle, WA, USA.
9. Medical Research Council, The Gambia at London School of Hygiene and Tropical Medicine, Fajara, The Gambia.
10. Biostatistics Research Branch, National Institute of Allergy and Infectious Diseases, Rockville, MD, USA.
11. Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK.