Received: 3 December 2018
Accepted: 20 September 2019
First Online: 23 October 2019
Ethics approval and consent to participate
: The study was approved by the Research Ethical Committee of School of Public Health, College of Health Sciencesand Addis Ababa University. An official letter of permission was provided to the administrative office of each of the selected health facilities. The study participants were informed about the purpose of the study andwritten informed consent was obtained from them. Information obtained was kept confidential, anonymous and used only for this research purpose.
: Not applicable.
: The authors declare that they have no competing interests.