Received: 26 September 2018
Accepted: 22 May 2019
First Online: 7 June 2019
Ethics approval and consent to participate
: The study was approved by the Scientific Ethical Review Committee of Arba Minch University, and Gamo Gofa zone health office. Informed verbal consent was obtained from mothers after detailed explanation of the purpose of the study. For respondents whose age less than 16 years old, informed verbal assent was obtained from their parents/guardians. Any involvement of mothers was after their complete verbal consent. Mothers were told as they could have the right to withdraw from the study at any time during the interview.
: Not applicable.
: The authors declare that they have no competing interest.