Hagos, Goshu
Tura, Gurmesa
Kahsay, Gizienesh
Haile, Kebede
Grum, Teklit http://orcid.org/0000-0003-4541-471X
Araya, Tsige
Article History
Received: 26 March 2018
Accepted: 29 May 2018
First Online: 5 June 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the institutional review board of Aksum University, College of health sciences. Official letter was received from Tigray regional health bureau and communicated to the respective facilities to get their permission. Written consent was also obtained from each study participants after having explained the purpose of the study. For the minor groups and under age who could not provide their own consent, written consent was obtained from their parents/guardians.
: The authors declare that they have no competing interests.
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