Funding for this research was provided by:
Received: 4 September 2019
Accepted: 12 November 2019
First Online: 19 November 2019
Ethics approval and consent to participate
: The study has obtained ethical approval from Mekelle University Institutional Review Board before its commencement. The aim of the study was explained and informed written consent was obtained from each study participant. Permission letter was also obtained from Afar Regional Health Bureau and Berahle wereda Health Office.
: Not applicable.
: The authors declare that they have no competing interests.