Dangura, Abayneh Desalegn http://orcid.org/0000-0002-5946-2520
Article History
Received: 23 April 2019
Accepted: 4 May 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: The study was conducted in accordance with the guidelines laid down in the declaration Helsinki and all procedures involving human subjects were approved by Adama science and Technology University Ethics review committee. Written informed consent was obtained from all participants. In the case of age less than 18 years verbal consent was obtained from their family and approved by ethics review committee.
: Not applicable.
: The author declares that there is no competing interest.