Amsalu, Anteneh
Ferede, Getachew
Assegu, Demissie
Article History
Received: 30 August 2017
Accepted: 16 February 2018
First Online: 6 March 2018
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of the College of Medicine and Health Sciences, Hawassa University and informed written consent was obtained from the study participants.
: Not applicable.
: The authors declare that they have no computing interests.
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