Received: 15 September 2019
Accepted: 24 February 2020
First Online: 28 February 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethical Review Committee of Environmental and Occupational Health and Safety department, the University of Gondar with ethical approval number EOHS/815/2011. After explaining the purpose of the study, written consent was obtained from mothers of under-five years’ children. Mothers gave permission for their children to participate in the study. Any potential identifiers were eliminated to ascertain confidentiality.
: Not applicable.
: The authors declare that they have no competing interests.