Funding for this research was provided by:
Received: 24 April 2018
Accepted: 2 January 2019
First Online: 4 March 2019
Ethics approval and consent to participate
: The study was cleared by the Institutional Review Board of College of Medicine and Health Sciences, Hawassa University. Data were collected after taking informed written consent from the respondents.
: The authors declare that they have no competing interests.
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