Received: 8 November 2019
Accepted: 18 February 2021
First Online: 27 February 2021
: The study was ethically approved by the Institutional Review Board (IRB) of Dilla University. Permission letter was also obtained from Gedeo zone Health Bureau. Data was collected after obtaining written consent from participants and all information obtained was kept confidential during all stages of the study. The collected data were used only for the purpose of the study.
: Not applicable.
: All authors declare that they have no conflicts of interest.