Received: 25 July 2017
Accepted: 19 June 2018
First Online: 6 July 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethical Review Committee of School of the pharmacy University of Gondar. Participants were informed about the objective of the study and they also had full right to discontinue or refuse to participate in the study and a written consent was obtained from each study participant. Confidentiality of the information was assured through handling the information by locking the document with a password, storing in a file by assigning a code number to it and omitting the participants’ name.
: Not applicable.
: The authors declare that they have no competing interests.
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