Received: 11 August 2017
Accepted: 9 April 2019
First Online: 25 April 2019
Ethics approval and consent to participate
: Approval for this study was secured from regional health bureau of Oromia (Ref. No. WEFBMA/1603/09) after bringing letter of cooperation from Mizan Tepi University, Department of Pharmacy (Ref. No. Phar/84/09). Written consent was secured from all participants and no personal identifiers used during data collection. Data was kept confidential by principal investigators.
: Not applicable.
: The authors declare that they have no competing interests.
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