Funding for this research was provided by:
Addis Ababa University
Received: 17 January 2018
Accepted: 5 December 2018
First Online: 18 December 2018
Ethics approval and consent to participate
: The College of Veterinary Medicine and Agriculture Institutional Research and Review Committee approved this study. The study purpose was explained to the participants, the consent form was read out to them, and those who agreed, signed the form and were involved in the study. Confidentiality of the participants was kept using unique codes.
: Not applicable.
: The authors declare that they have no competing interests.
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