Amare, Azanaw
Worku, Tifito
Ashagirie, Birukitait
Adugna, Marie
Getaneh, Alem http://orcid.org/0000-0003-1608-6737
Dagnew, Mulat
Article History
Received: 4 September 2018
Accepted: 2 June 2019
First Online: 7 June 2019
Ethics approval and consent to participate
: This study protocol was approved by the ethical review committee of the School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar. The written consent was taken from all study participants after explaining the objective of the study.
: Not applicable.
: The authors declare that they have no competing interests.