Funding for this research was provided by:
University of Gondar (none)
Received: 31 December 2020
Accepted: 19 February 2021
First Online: 20 March 2021
Ethics approval and consent to participate
: Ethical clearance was obtained from the Ethical and Review Committee of School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences University of Gondar, Ethiopia. Permission and support letters were also obtained from the district health office and hospital administration. Written informed consent was obtained from each study participant and from legal guardians for participants whose ages were under 18 after verbal assent was sought from each individual. Moreover, a thumbprint was also taken from each participant who was unable to read and write after having been read the full informed consent form by a data collector.
: Not applicable
: The authors declare no competing interests.