Funding for this research was provided by:
Mega-project of University of Gondar. (VP/RCS/05/192/2015)
Received: 7 October 2019
Accepted: 25 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: This research was ethically cleared and approved by the University of Gondar, School of Biomedical and Laboratory Sciences ethical review committee. Written and informed consent was obtained from study participants after explaining the purpose and aim of the study. The result from the study participants was sent to their physicians for appropriate treatment.
: Not applicable.
: The authors have declared that they have no competing interests.