Funding for this research was provided by:
Addis Ababa University
Received: 16 October 2017
Accepted: 25 July 2018
First Online: 6 August 2018
Ethics approval and consent to participate
: Before the study began, all procedures and methods planned was reviewed and approved by the Ethics Review Committee of the School of Pharmacy, Addis Ababa. Then, official letter was written from the Department of Pharmaceutics and Social Pharmacy to Amhara Regional Health Bureau to get permission for conducting the study. The purpose of the study was clearly explained to all study participants, and verbal informed consent was obtained from each participant.
: Not applicable.
: All authors declared that there are no competing interests.
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