Funding for this research was provided by:
Received: 31 July 2017
Accepted: 30 May 2018
First Online: 7 June 2018
Ethics approval and consent to participate
: The study was reviewed and approved by the Ethical Review Committee of the College of Medicine and Health Science, Wollo University. Permission to conduct the study was also obtained from the Hospital Administration. Written informed consent was obtained from each study participant (or their parent or legal guardian in the case of children under 18) before data collection and results were kept confidential. Any result that was necessary for the patient was communicated with the attending physician for appropriate management.
: The authors declare that they have no competing interests.
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