Received: 6 May 2019
Accepted: 9 October 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from Institutional Review Board of College of Health Sciences, Addis Ababa University. Prior to study initiation approval and support of department of surgery and TASH administration was obtained. Institutional Review Board of College of Health Sciences, the department of surgery and TASH administration granted approval to access patient charts and data for the research. Specific patient identifiers and health care provider related data were not included in the data collection tool. Institutional review Board of College of Health Science established that studies such as this don’t require consent along with a reference to relevant legislation.
: Not applicable.
: The authors declare that they have no competing interests.