Received: 8 May 2018
Accepted: 14 January 2019
First Online: 30 January 2019
Ethics approval and consent to participate
: Ethical clearance and approval were obtained from an institutional research ethics review committee of College of Health Sciences of Debre Markos University. All study participants were informed about the purpose of the study and additional information was given as they need. Written informed consent was obtained from all the respondents. Confidentiality was maintained by excluding names and other identifying numbers.
: This manuscript does not report personal data such as individual details, images or videos; therefore, consent for publication is not applicable.
: The authors declare that they have no competing interests.
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