Funding for this research was provided by:
Received: 20 May 2017
Accepted: 1 December 2017
First Online: 18 January 2018
Ethics approval and consent to participate
: The study was commenced after ethically approved by the research ethics committee of Wollo University. Permission to conduct the study was also obtained from the hospital administration. Written informed consent was obtained from each study participant and the results were kept confidential. Any result that was necessary for the patient was communicated with the physician for appropriate management.
: Not applicable.
: The authors declare that they have no competing interests.
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