Received: 23 October 2020
Accepted: 14 April 2021
First Online: 19 April 2021
: Ethical clearance was obtained from the Institutional Ethical Review Board of Arba Minch University, College of Medicine and Health Sciences. All the study participants and parent or legal guardian of those participants under 18 years old were provided with written consent, clearly stating the objectives of the study, the procedure of data collection, and the rights of the study participants. All participants were randomly selected without any discrimination. All methods in this study were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors report no conflict of interest in this work.