Received: 18 June 2020
Accepted: 10 October 2020
First Online: 19 October 2020
Ethics approval and consent to participate
: This research was conducted after obtaining ethical clearance from Research and Ethical Review Committee of School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, and support letters were obtained from human resource directorate of the UoG before data collection. Written informed consent was obtained from each study participant.
: Not applicable.
: The authors declare that they have no competing interests.