Article History
Received: 10 October 2018
Accepted: 13 November 2018
First Online: 14 December 2018
Ethics approval and consent to participate
: Ethical clearance was obtained from the ethical review committee of Bahir Dar University College of Medicine and Health Science. Permission letter was obtained from Amhara Regional Health Bureau and also asked from Felegehiwot Comprehensive Specialized Hospital.Since the study was based on secondary data, there was no direct contact with patients. So anonymity was maintained by using identity numbers instead of patient names. Besides, all the data abstracted was kept confidential and not used for any other purposes than the stated research objective.
: Not applicable.
: The authors declare that they have no competing interests.
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