Funding for this research was provided by:
Gavi, the Vaccine Alliance (n/a)
Received: 11 June 2019
Accepted: 16 October 2019
First Online: 29 October 2019
Ethics approval and consent to participate
: Ethical approval for this study, was secured from the University of Washington Institutional Review Board and the Mozambique Ministry of Health National Bioethics Committee. Written consent was obtained from all study participants.
: This manuscript does not contain individual person’s data in any form so the consent to publish is not applicable.
: The authors declare that they have no competing interests.