Received: 26 April 2018
Accepted: 20 May 2019
First Online: 13 June 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from Research and Graduate Studies College of Health Sciences Ethical Review Board of Wolaita Sodo University. Then letter of permission was produced from administrative bodies of the Zone to the Woreda administration. Finally written consent was obtained from each study participants before making interview and confidentiality was secured.
: Not applicable.
: The authors declare that they have no competing interests.