1. Direction des risques biologiques et de la santé au travail, Institut National de Santé Publique du Québec , Québec, QC, Canada
2. Axe maladies infectieuses et immunitaires, Centre de Recherche du CHU de Québec-Université Laval , Québec, QC, Canada
3. Vaccine Acceptance and Demand, Vaccine Acceptance Research Network, Sabin Vaccine Institute , Washington, DC, USA
4. Centre for Communicable Disease Surveillance and Control, National Institute of Public Health Romania , Bucharest, Romania
5. World Health Organization (WHO) Country Office in Romania , Bucharest, Romania
6. Common Thread , Bucharest, Romania
7. Department of Health Behavior, Gillings School of Global Public Health and Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill , Chapel Hill, NC, USA
8. Susan Wakil School of Nursing and Midwifery, Faculty of Medicine and Health, University of Sydney , Sydney, NSW, Australia
9. Vaccine Acceptance and Demand, Sabin Vaccine Institute , Washington, DC, USA
10. Vaccine-Preventable Diseases and Immunization, World Health Organization (WHO) Behavioural and Cultural Insights unit and WHO Europe, Copenhagen , Denmark