Published on in Vol 7, No 2 (2021): February
1 London School of Hygiene & Tropical Medicine, Vaccine Confidence Project, London, United Kingdom
2 European Centre for Disease Prevention and Control, Stockhom, Sweden
3 Centre for Social Sciences, Hungarian Academy of Sciences, Budapest, Hungary
4 Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA, United States
*these authors contributed equally