Received: 31 March 2021
Accepted: 21 June 2021
First Online: 1 July 2021
: All methods were performed in accordance with the relevant guidelines and regulations. Ethical approval was obtained from the Addis Ababa University College of Health Sciences’ institutional review board prior to the commencement of the study (protocol number 009/19/SPH). We further obtained ethical approval and permission letter from Oromia regional health bureau research directorate. Based on the permission letter of the Region, we secured permissions from subsequent relevant institutions. Finally, written informed consent was obtained from all study participants or subjects. The consent form included standard elements such as participants’ autonomy, confidentiality, beneficence and justice.
: In the current study, there are no identifiable details on individual participants reported in the manuscript. Therefore, consent to publish is not required.
: The authors did not have any competing interests in this study.