Funding for this research was provided by:
Debre markos university
Received: 23 May 2019
Accepted: 14 January 2020
First Online: 7 February 2020
Ethics approval and consent to participate
: The study procedure was reviewed and approved by the Debre Markos University board of college of natural and computational science research and community service reviewers. Official letter of cooperation was obtained from Debre Markos University Research and Technology Transfer Directorate office with letter number DMU/RTTD/1727/10/09 to district-level officials and permission was secured from district-level managers. All study participants were informed that they have the right not to participate in the study or stop the interview at any time they wish if that was their choice. Written consent was obtained from all participants before the interview. All information obtained in the study was kept confidential.
: Not applicable.
: The authors declare that they have no competing interests.