Received: 25 March 2019
Accepted: 13 December 2019
First Online: 6 January 2020
: Ethical approval was obtained from the research review ethical committee of the Bahir Dar University, and permission letter was obtained from Amhara public health institute. The data collectors informed each respondent about the study and verbal consent to participate was obtained from the parent or legal guardian of the children. Verbal consent was obtained from each study participants and confidentiality was assured for all the information provided. Moreover, personal identifiers were not being included on questionnaire.
: Not applicable.
: The authors declare that they have no competing interests.