Received: 25 January 2019
Accepted: 22 May 2019
First Online: 28 May 2019
Ethical approval and consent to participate
: The study was approved by the Research Ethics Committee of Aksum University, College of Health science and permission letter was also obtained from Medebay Zana district health office and was presented to all participants. Written consent was obtained from all participants. Confidentiality and privacy of the study were maintained during data collection, analysis, and reporting by making the questionnaire anonymous.
: Not applicable.
: The authors declare that they have no competing interests.