Funding for this research was provided by:
Medicines for Malaria Venture (NA)
Received: 19 August 2019
Accepted: 9 January 2020
First Online: 25 February 2020
Ethics approval and consent to participate
: All data included in this analysis were obtained after ethical approvals from the countries of origin. Use of existing data which are fully anonymized and which researchers cannot trace back to identifiable individuals does not require the review of the Ethics Committee under the guidelines of the Oxford Central University Research Ethics Committee.
: Not applicable.
: LCO declares prior grant funding from the World Health Organization in addition to the funding already declared in the acknowledgements. The other authors declare that they have no competing interests.