Received: 30 October 2022
Accepted: 25 April 2023
First Online: 3 May 2023
: Ethical clearance was obtained from the ethical approval committee of the Wollo University College of medicine and health science on the date of February 4, 2020 (the date is written as 26/5/2012 on the ethical approval letter which is according to the Ethiopian calendar) with approval number cmhs1178/13/12. After ethics approval, permissions were obtained from the South Wollo Health Department and the authorities of the health facilities. Since the participants were minors, the parents or guardians of the children were informed about the risks and benefits of participation and written informed consent was obtained. The participants were addressed while they were visiting the health facilities for a routine healthcare and hence the data were collected as part of the routine check-up. All the procedures were carried out in accordance with the standard operating procedures of the health facilities and WHO guidelines. To ensure confidentiality, the data were linked to a code number anonymously. Abnormal test results of participants were linked to the health center for the provision of treatment.
: Not applicable.
: The authors declare that they have no competing interests