1. Nuffield Department of Primary Care Health Sciences, University of Oxford, United Kingdom
2. Oxford Vaccine Group, Department of Paediatrics, University of Oxford, and National Institute for Health Research Oxford Biomedical Research Centre, United Kingdom
3. International Vaccine Access Center, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
4. Paediatric Research Unit, Patan Academy of Health Sciences, Kathmandu, Nepal
5. Institute for Infection and Immunity, St George’s University of London, United Kingdom