Funding for this research was provided by:
The Netherlands Organization for Health Research and Development (ZonMw, project 205300005)
Text and Data Mining valid from 2018-05-31
Received: 2 November 2017
Accepted: 17 May 2018
First Online: 31 May 2018
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the National Ethical Committee in Health Research, Burkina Faso (Deliberation N°2014–11-130). Written informed consent was obtained from parents or guardians for the participation of the children prior to enrolment in the study.
: The authors declare that they have no competing interests.