Text and Data Mining valid from 2018-03-09
Received: 20 March 2017
Accepted: 28 February 2018
First Online: 9 March 2018
Ethics approval and consent to participate
: This study was approved by the ethical committee of University of Gondar. Written informed consent from the patients was also obtained before conducting this study. Participants’ information obtained was kept anonymous.
: Not applicable.
: The authors declare that they have no competing interests.
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