Article History
Received: 14 September 2019
Accepted: 29 October 2020
First Online: 11 November 2020
Ethics approval and consent to participate
: Ethical clearance obtained from the Debre Berhan University ethical review committee. Ethical clearance obtained from the Debre Berhan University ethical review committee. A letter of cooperation wrote to each study institution, and a permission letter taken from the study institutions. The data collectors took oral informed consent from each study participant, whose age is 18 years and above. Moreover, the data collectors took assent from participants whose age was less than 18 years. Written informed consent taken from participants’ family/legal guardian whose age was less than 18 years.
: The manuscript did not contain individuals’ person detailed data in any form.
: The authors declare that they have no conflicts of interest.