Ethics approval and consent to participate
This study was conducted in compliance with good clinical practices. Participation was entirely voluntary and written informed consent was obtained from parents prior to inclusion of children. The study protocol was registered in clinical trial.gov (NCT04238845 23/01/2020) and published in open access journal. As for compliance with regulations at the national level, the study protocol had the approval of the ethics committee for health research of the Ministry of Health of Burkina Faso under the reference number: No 2020-01-007. Furthermore, an approval of the study protocol was obtained from technical committee for the examination of authorization for clinical trial requests of the national agency for pharmaceutical regulation in Burkina Faso (deliberation No 2020-00639) before the start of the study activities.