Dagnew, Enyew
Andualem, Miteku
Worku, Temesegen
Gebeyehu, Dawit
Taklual, Wubet
Melkie, Abenezer
Funding for this research was provided by:
waiver and discount
Article History
Received: 6 September 2019
Accepted: 17 March 2020
First Online: 30 March 2020
Ethics approval and consent to participate
: Ethical clearance was obtained from research review committee of University of Gondar, college of medicine and health sciences. Written informed consent was obtained from each study participants. Confidentiality and anonymity of the information was also maintained.
: Not applicable.
: The authors declare that they have no competing interests.