Funding for this research was provided by:
Institut de Recherche pour le Développement (306625/00)
Received: 23 June 2019
Accepted: 11 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: Prior informed consent was obtained from the first administrative responsible of each village involved in the study. A verbal explanation of the research purpose, methods of data collection, and knowledge dissemination was made to all responsible who granted their consent for the study.
: Not applicable.
: The authors declare that they have no competing interests.