Received: 26 March 2019
Accepted: 25 July 2019
First Online: 14 August 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from research and community service Directorate of Adigrat University. After discussing the purpose and relevance of the study, written permission was obtained from the administration of Suhul Hospital before the data collection began.
: Not applicable.
: The authors declare that they have no competing interests.