1. Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland.
2. MMGH Consulting GmbH, Zurich, Switzerland.
3. Coalition for Epidemic Preparedness Innovations, London, UK.
4. Gavi, the Vaccine Alliance, Geneva, Switzerland.
5. Bill & Melinda Gates Foundation, Seattle, WA, USA.
6. Faculty of Medicine, Universidad Nacional Autonóma de México, Mexico City, Mexico.