Article History
Received: 27 July 2018
Accepted: 23 September 2019
First Online: 29 October 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from the Institutional Review Board of Jimma University, Institute of Health, school of Post-Graduate Studies. Official letter of cooperation from the University and Mettu Rural District were used to communicate respective administrative bodies in the study area. After getting letter of permission to carry out the study from each administrative body, informed verbal consent was taken from each study subject prior to interview after the purpose of the study is explained.
: N/A.
: The authors declare that they have no competing interests.