Funding for this research was provided by:
Bill and Melinda Gates Foundation
Received: 28 February 2018
Accepted: 11 September 2018
First Online: 21 September 2018
Ethics approval and consent to participate
: The study was approved by the Western Institutional Review Board in the state of Washington, USA; the Malawi College of Medicine Research and Ethics Committee, Blantyre, Malawi; and the Malawi Pharmacy, Medicines and Poisons Board. Written informed consent is obtained by trained study staff from all eligible children’s caregivers prior to enrollment.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.