Received: 10 May 2019
Accepted: 11 June 2019
First Online: 24 June 2019
Ethics approval and consent to participate
: Ethical approval was obtained from a research review committee of Madda Walabu University. Letters were secured from Bale zone Health Bureau and respective hospitals. Written informed consent was obtained from each study participant. All information was kept confidential throughout the process of study, and the name of the participant was replaced by code. Withdrawal from the study at any point if they wished was assured.
: Not applicable.
: The authors declare that they have no competing interests.