1 Barcelona Institute for Global Health (ISGlobal), Hospital Clínic-Universitat de Barcelona, Barcelona 08036, Spain; Centro de Investigação em Saúde de Manhiça, Maputo, Mozambique; Catalan Institution for Research and Advanced Studies, Barcelona, Spain; Pediatric Infectious Diseases Unit, Pediatrics Department, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain; Consorcio de Investigación Biomédica en Red de Epidemiología y Salud Pública, Madrid, Spain. Electronic address: [email protected].
2 Save the Children, London, UK.
3 United Nations Children's Fund, New York, NY, USA.
4 Gavi, the Vaccine Alliance, Geneva, Switzerland.
5 Every Breath Counts Coalition, New York, NY, USA.
6 Barcelona Institute for Global Health (ISGlobal), Hospital Clínic-Universitat de Barcelona, Barcelona 08036, Spain.