Received: 7 June 2020
Accepted: 27 September 2020
First Online: 2 October 2020
Ethics approval and consent to participate
: Ethical Review Committee of Debretabor University approved the ethical issue of this study and official permission to undertaken the study obtained from Debre Tabor General Hospital. The confidentiality and privacy of patients maintained during data collection. The data collected retrospectively from medical chart and consent from patients is not needed.
: Not applicable.
: Authors declare that they have no competing interests.