Received: 19 May 2020
Accepted: 18 November 2020
First Online: 23 November 2020
Ethics approval and consent to participate
: Ethical clearance to conduct the survey was approved by Ethical Review Board of Ethiopia Central Statistical Agency (CSA) and written informed consent was taken from study participants. Where participants are children (under 16 years old), written informed consent for participation in the study was obtained from their parent or guardian.
: Not applicable.
: The authors declare that there is no competing of interests in this study.