Received: 16 October 2020
Accepted: 2 September 2021
First Online: 10 September 2021
: The study obtained ethical clearance from Ethical and Review Committee of Department of Medical Laboratory Science, College of Health Science, Addis Ababa University (DRERC/410/19/MLS). Permission to conduct the study was also obtained from Derayitu Health center and Kelwani primary Hospital. Written informed consent was obtained from each of the study participants and from their parent or guardian for those who were less than 18 years.
: Not applicable.
: The authors have no conflict of interests concerning the work reported in this paper.