Received: 9 April 2019
Accepted: 24 June 2019
First Online: 10 July 2019
Ethics approval and consent to participate
: This study was authorized by the Burkina Faso’s Ministry of Health and received the approval of the Ethics Committee for Health Research (N ° 2016–9-093). The written informed consent of all study participants was obtained in accordance with standards established by the ethics committee. Oral consent was initially requested from participants after explaining in detail the objectives of the study. Written consent was then obtained and documented using the signature or thumbprint of participants on previously prepared consent forms. All participants were anonymized during transcription.
: Not applicable. Information within this manuscript does not contain personal identifiers.
: The authors declare that they have no competing interests. All authors listed on the manuscript contributed to the study design, data collection, data analysis and interpretation of the findings, and drafting and reviewing the final manuscript.