Ethics approval
The randomized–controlled trial from which the data were obtained was reviewed and approved by the Comité d’Ethique pour la Recherche en Santé (National Research Ethics Committee) in Ouagadougou, Burkina Faso (protocol 2018–10-123) and the University of California, San Francisco Institutional Review Board (protocol 18–25027). Written informed consent was obtained from the caregiver of each enrolled child.