Received: 12 November 2019
Accepted: 28 March 2020
First Online: 8 April 2020
Ethics approval and consent to participate
: Ethical approval obtained from Arba Minch University, an institutional research ethics review board. At the time of data collections, the study participants were informed about the benefit of the study, the right to opt questions not to answer. Finally, informed consent obtained from each participant. Confidentiality of the information kept by using anonymous code for each study participant.
: Not applicable.
: The authors declare that they have no competing interests.