Received: 15 November 2020
Accepted: 22 June 2021
First Online: 10 July 2021
: Our study had obtained ethical approval from the National ethics committee for health research in Senegal under the number SEN16/71. Administrative authorization had also been requested from the Ministry of Health and the education authorities in the areas in which the selected schools were located. Parental consent for school children’s participation and interviews was secured before the start of our study.
: Our financial partner, SANOFI, had agreed to the publication of our research results. All participants in this study also knew that the results of the different surveys would also be the subject of a scientific publication.
: The authors declare that they have no competing interests.