Received: 25 October 2020
Accepted: 7 January 2021
First Online: 21 January 2021
Ethics approval and consent to participate
: Ethical approval to conduct the study was obtained from the University of Gondar ethical review board. Communication with the different official administrators of each teaching hospital was made through a formal letter obtained from the University of Gondar. The objectives and data confidentiality issues of the study were explained to every individual study participant and their written informed consent was taken before the study.
: Not applicable.
: The authors declare that they have no competing interests.