Article History
Received: 7 September 2018
Accepted: 29 March 2019
First Online: 4 April 2019
Ethics approval and consent to participate
: The study was approved by Yekatit 12 Hospital Medical College and Addis Ababa Administrative Health office ethical review committee (ERC). A letter of cooperation was written to thee ach study areas authority and official permission was obtained. Informed consent was not sought from study participants as it used secondary data. Confidentiality of the information collected was maintained by omitting their name and other personal identifiers from extraction sheet.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.