1. Health Equity Action Lab, Department of Infectious Disease Epidemiology and International Health, London School of Hygiene & Tropical Medicine , London , United Kingdom
2. Department of Pediatrics, Geisel School of Medicine at Dartmouth, Dartmouth Health , Lebanon, New Hampshire , USA
3. Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth , Hanover, New Hampshire , USA
4. Thayer School of Engineering, Dartmouth College , Hanover, New Hampshire , USA
5. Department of Surgery, Geisel School of Medicine at Dartmouth, Dartmouth Health , Lebanon, New Hampshire , USA
6. Department of Virology II, National Institute of Infectious Diseases , Tokyo , Japan
7. Polio, Global Development, Bill & Melinda Gates Foundation , Seattle, Washington , USA