1. Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London WC1E 7HT, UK
2. Institute of Health Metrics and Evaluation, University of Washington, Seattle, WA 98195, USA
3. Department of Health Metrics Sciences, University of Washington, Seattle, WA 98195, USA
4. Department of Biology, Pennsylvania State University, State College, PA 16801, USA
5. Global Immunization Division, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
6. Institute for Disease Modeling, Global Health Division, Bill & Melinda Gates Foundation, Seattle, WA 98109, USA
7. MRC Centre for Global Infectious Disease Analysis, Jameel Institute, School of Public Health, Imperial College London, London SW7 2BX, UK
8. Epidemiology Unit, Ministry of Health, Colombo 01000, Sri Lanka
9. Global Development Division, Bill & Melinda Gates Foundation, Seattle, WA 98109, USA
10. Department of Immunization, Vaccines and Biologicals, World Health Organization, 1202 Geneva, Switzerland
11. Department of Global Health, Boston University School of Public Health, Boston, MA 02118, USA
12. Center for Health Decision Science, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA