Text and Data Mining valid from 2019-11-08
Received: 25 April 2019
Accepted: 15 October 2019
First Online: 8 November 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from the Institutional Review Board (IRB) of University of Gondar. Written consent was obtained from each participant after delivering a brief explanation regarding the purpose and objectives of the study. All participants were informed as they have the right to refuse/withdraw the interview at any time they want. The collected data were kept confidential and used only for the purpose of the study.
: Not applicable.
: The authors declare that they have no competing interests.