Received: 13 August 2020
Accepted: 7 January 2021
First Online: 12 January 2021
Ethics approval and consent to participate
: A letter of ethical approval was received from the Institutional Review Board of Jimma University. In addition, the official letter of cooperation was obtained from the Manna District Health Office. The necessary permission was obtained from kebele leaders. All the study participants were informed about the purpose of the study, their right to refuse, and assured about the confidentiality of the information they provided. Written informed consent was obtained from all the study participants. For participants under 18 years old, the written consent was obtained from their parents.
: The authors declare that they have no competing interests.