Received: 28 September 2020
Accepted: 18 November 2020
First Online: 5 December 2020
Ethics approval and consent to participate
: Ethical clearance was obtained from Institutional Review board of College of Medicine and Health Sciences, Wollo University. Permission letter to conduct the study was obtained from the city Health Department. Written informed consent was obtained from the children’s parents/guardians after they were informed about objectives and procedures of the study. Confidentiality and privacy of participants was ensured. At the end of each interview, children who were cases were advised to follow their treatment.
: Not applicable.
: All authors declare that they have no competing interests.