Article History
Received: 17 May 2019
Revised: 26 July 2019
Accepted: 30 July 2019
First Online: 23 August 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from the Institutional Review Board of Hawassa University, College of Medicine and Health Sciences. Prior to data collection, written informed consent was obtained from the mothers. Consent was obtained from parent or guardian on behalf any participants under the age of 16.
: Not applicable
: The authors declare that they have no competing interests.