Article History
Received: 22 February 2019
Accepted: 9 July 2019
First Online: 16 July 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from ethical review board (ERB) of Pharmacy department of Wollega University with clearance reference number of PD/18/2017. The data was handled with strong confidentiality. The privacy of patients were secured by removing identifiers from data collection tools using different codes.
: Not applicable.
: The authors declare that they have no competing interests.