Received: 15 August 2019
Accepted: 3 August 2020
First Online: 12 August 2020
Ethics approval and consent to participate
: Officially written approval letter was obtained from the Institutional Health Research Ethical Review Committee (IHRERC) of the College of Health and Medical Sciences, Haramaya University. Besides, an official letter was issued from the College of Health and Medical Sciences, Haramaya University to the director of each hospital. After securing permission from each hospital administrator, the actual data collection commenced after obtaining written and signed voluntary consent from each study participant. All information collected from the participants was kept confidential.
: Not applicable.
: The authors declare that they have no competing interests.