Received: 26 November 2020
Accepted: 26 February 2021
First Online: 9 March 2021
: Ethical clearance was obtained from the Ethical Review Board (IRB) Debre Berhan University. The official letters were written by Addis Ababa public health research and emergency management directorate to each sub-city administration and health office to get permission and supportive letter. Before the actual data collection, written informed consent was obtained from the study participants. All the rights of the study subjects autonomy (personal decision), non-maleficence (not to harm), and justice (fairness) were kept during the study. Furthermore, the confidentiality of the individual information was assured.
: Not applicable.
: The authors declare that they have no competing interests.