1. Gavi, the Vaccine Alliance, Global Health Campus, Chemin du Pommier 40, 1218 Grand-Saconnex Geneva, Switzerland.
2. Health section, United Nations Children’s Fund, New York, United States of America (USA).
3. Child Protection section, United Nations Children’s Fund, New York, USA.
4. Vital Strategies, New York, USA.
5. Bloomberg Data for Health Initiative, University of Melbourne, Melbourne, Australia.