Funding for this research was provided by:
Johnson and Johnson
Received: 13 October 2020
Accepted: 20 December 2020
First Online: 3 March 2021
Ethics approval and consent to participate
: The larger cluster-randomized control trial (NCT026940550) received ethical approval from the Ethics Committee of the Faculty of Medicine, Pharmacy and Odonto-Stomatology at the University of Sciences Techniques and Technologies of Bamako (Ref: 2016/03/CE/FMPOS). Secondary analysis of trial data was approved by the Observational/Interventions Research Ethics Committee at the London School of Hygiene & Tropical Medicine (Ref: 13832), and was excepted by the University of California, San Francisco (Ref: 154824).
: Not applicable.
: The authors declare that they have no competing interests.