Received: 3 July 2018
Accepted: 20 August 2018
First Online: 27 August 2018
Ethics approval and consent to participate
: The study protocol was reviewed and approved by Hawassa University Research Institutional review board. Official letter of cooperation was obtained from College of Medicine and Health Science to tertiary refferal medical center and permission was secured from the medical center clinical director. All study participants were informed that they have right not to participate in the study or stop the interview at any time they want if that was their choice. Written consent was obtained from all participants prior to interview. All information obtained in the study was stored confidential.
: Not applicable.
: The authors declare that they have no competing interests.
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