Article History
Received: 3 November 2019
Accepted: 10 June 2020
First Online: 17 June 2020
Ethics approval and consent to participate
: The ethical clearance was obtained from IRB of Bahir Dar University, College of Medicine and Health Sciences with a protocol number of the letter 02012/18–09. A formal letter was given to the selected health institutions from the school of public health. Moreover, informed consent was obtained from each respondent and aware of them their right to withdraw from the study at any time. Written informed consent was obtained from a parent or guardian for participants under 16 years old. The information given by each respondent was kept confidential since the dissemination of the finding was not be referring to specific respondents but to the general source population and the data was collected with referring the study participants’ names, and the data was not exposed for any third body.
: Not applicable.
: The authors declare that they have no competing interests.