1. Angela Y. Chang () was a doctor of science candidate in the Department of Global Health and Population, Harvard T. H. Chan School of Public Health, in Boston, Massachusetts, at the time this article was completed. Currently she is a postdoctoral fellow at the Institute for Health Metrics and Evaluation, University of Washington, in Seattle.
2. Carlos Riumallo-Herl was a doctor of science candidate in the Department of Global Health and Population, Harvard T. H. Chan School of Public Health, at the time this article was completed. Currently he is a postdoctoral fellow in the Department of Applied Economics, Erasmus School of Economics, in Rotterdam, the Netherlands.
3. Nicole A. Perales was a master of science student in the Department of Global Health and Population, Harvard T. H. Chan School of Public Health, at the time this article was completed. Currently she is a doctoral student at the University of California, Berkeley.
4. Samantha Clark is a PhD candidate in the Pharmaceutical Outcomes Research and Policy Program, University of Washington.
5. Andrew Clark is an assistant professor in health decision modelling, London School of Hygiene and Tropical Medicine, in the United Kingdom.
6. Dagna Constenla is an associate scientist and the director of Economics and Finance in the Vaccine Access Center of the Department of International Health, Johns Hopkins Bloomberg School of Public Health, in Baltimore, Maryland.
7. Tini Garske is a lecturer in the MRC Centre for Outbreak Analysis and Modelling, Department of Infectious Disease Epidemiology, Imperial College London, in the United Kingdom.
8. Michael L. Jackson is an associate investigator at the Kaiser Permanente Washington Health Research Institute, in Seattle.
9. Kévin Jean is a lecturer in epidemiology in the laboratoire Modélisation, épidémiologie et surveillance des risques sanitaires (MESuRS), Conservatoire national des Arts et Métiers, in Paris, France, and a visiting lecturer in the MRC Centre for Outbreak Analysis and Modelling, Department of Infectious Disease Epidemiology, Imperial College London.
10. Mark Jit is a professor of vaccine epidemiology in the Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine.
11. Edward O. Jones was a researcher in the Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, when this article was completed.
12. Xi Li is an independent health consultant in Manila, the Philippines.
13. Chutima Suraratdecha is an independent consultant in Vienna, Virginia.
14. Olivia Bullock is a program officer at Gavi, the Vaccine Alliance, in Geneva, Switzerland.
15. Hope Johnson is director of monitoring and evaluation at Gavi, the Vaccine Alliance.
16. Logan Brenzel is a senior program officer for economics and finance, Vaccine Delivery/Global Development, Bill & Melinda Gates Foundation, in Washington, D.C.
17. Stéphane Verguet is an assistant professor of global health in the Department of Global Health and Population, Harvard T. H. Chan School of Public Health.