Ethics approval
The ProCCM trial (NCT026940550) received ethical approval from the Ethics Committee of the Faculty of Medicine, Pharmacy and Dentistry at the University of Bamako. Secondary analysis of the trial data was exempted from ethical approval by the University of California, San Francisco and approved by the Observational/Interventions Research Ethics Committee at the London School of Hygiene and Tropical Medicine (Ref: 13832). All participants provided written informed consent. Consent was obtained after clusters were randomised. Participants gave informed consent to participate in the study before taking part.