Funding for this research was provided by:
United States Agency for International Development (No. AID-OAA-C-16-00020)
Received: 17 April 2019
Accepted: 18 February 2020
First Online: 27 February 2020
Ethics approval and consent to participate
: This study was reviewed and approved by the Tufts University Health Sciences Institutional Review Board (IRB#: 10899) and the ethics board of the Ministry of Health in Burkina Faso (#: 2013–10-090). Informed consent to participate in the study was obtained from all participants.
: Not applicable.
: The authors declare that they no competing interests.