Chernet, Ayele Gebeyehu https://orcid.org/0000-0002-6828-0323
Shebeshi, Dinberu Seyoum
Banbeta, Akalu
Article History
Received: 31 January 2019
Accepted: 27 November 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: Ethics approval and participant consent were not necessary as this study used previously-published database by CSA of Ethiopia.
: Not applicable.
: The authors declare that they have no competing interests.